diff --git a/Library/Homebrew/cmd/--cache.rb b/Library/Homebrew/cmd/--cache.rb
index 3ea31bdffa..8953b3d735 100644
--- a/Library/Homebrew/cmd/--cache.rb
+++ b/Library/Homebrew/cmd/--cache.rb
@@ -16,7 +16,7 @@ module Homebrew
   def __cache_args
     Homebrew::CLI::Parser.new do
       usage_banner <<~EOS
-        `--cache` [<options>] [<formula>|<cask>]
+        `--cache` [<options>] [<formula>|<cask>] [<formula>|<cask> ...]
 
         Display Homebrew's download cache. See also `HOMEBREW_CACHE`.
 
diff --git a/Library/Homebrew/cmd/--caskroom.rb b/Library/Homebrew/cmd/--caskroom.rb
index cf65933cb2..176e81582d 100644
--- a/Library/Homebrew/cmd/--caskroom.rb
+++ b/Library/Homebrew/cmd/--caskroom.rb
@@ -10,7 +10,7 @@ module Homebrew
   def __caskroom_args
     Homebrew::CLI::Parser.new do
       usage_banner <<~EOS
-        `--caskroom` [<cask>]
+        `--caskroom` [<cask>] [<cask> ...]
 
         Display Homebrew's Caskroom path.
 
diff --git a/Library/Homebrew/cmd/--cellar.rb b/Library/Homebrew/cmd/--cellar.rb
index a6f88377a3..c2347436f6 100644
--- a/Library/Homebrew/cmd/--cellar.rb
+++ b/Library/Homebrew/cmd/--cellar.rb
@@ -9,7 +9,7 @@ module Homebrew
   def __cellar_args
     Homebrew::CLI::Parser.new do
       usage_banner <<~EOS
-        `--cellar` [<formula>]
+        `--cellar` [<formula>] [<formula> ...]
 
         Display Homebrew's Cellar path. *Default:* `$(brew --prefix)/Cellar`, or if
         that directory doesn't exist, `$(brew --repository)/Cellar`.
diff --git a/Library/Homebrew/cmd/--env.rb b/Library/Homebrew/cmd/--env.rb
index 483a6c0b0d..0853b9393e 100644
--- a/Library/Homebrew/cmd/--env.rb
+++ b/Library/Homebrew/cmd/--env.rb
@@ -15,7 +15,7 @@ module Homebrew
   def __env_args
     Homebrew::CLI::Parser.new do
       usage_banner <<~EOS
-        `--env` [<options>] [<formula>]
+        `--env` [<options>] [<formula>] [<formula> ...]
 
         Summarise Homebrew's build environment as a plain list.
 
diff --git a/Library/Homebrew/cmd/--prefix.rb b/Library/Homebrew/cmd/--prefix.rb
index dce8c6e8c1..11da33edb4 100644
--- a/Library/Homebrew/cmd/--prefix.rb
+++ b/Library/Homebrew/cmd/--prefix.rb
@@ -12,7 +12,7 @@ module Homebrew
   def __prefix_args
     Homebrew::CLI::Parser.new do
       usage_banner <<~EOS
-        `--prefix` [<formula>]
+        `--prefix` [<formula>] [<formula> ...]
 
         Display Homebrew's install path. *Default:*
 
diff --git a/Library/Homebrew/cmd/--repository.rb b/Library/Homebrew/cmd/--repository.rb
index 4a301ae45d..d6dd2f8993 100644
--- a/Library/Homebrew/cmd/--repository.rb
+++ b/Library/Homebrew/cmd/--repository.rb
@@ -12,7 +12,7 @@ module Homebrew
   def __repository_args
     Homebrew::CLI::Parser.new do
       usage_banner <<~EOS
-        `--repository`, `--repo` [<user>`/`<repo>]
+        `--repository`, `--repo` [<user>`/`<repo>] [<user>`/`<repo> ...]
 
         Display where Homebrew's `.git` directory is located.
 
diff --git a/Library/Homebrew/cmd/cleanup.rb b/Library/Homebrew/cmd/cleanup.rb
index 290bac0618..b9204b2050 100644
--- a/Library/Homebrew/cmd/cleanup.rb
+++ b/Library/Homebrew/cmd/cleanup.rb
@@ -14,7 +14,7 @@ module Homebrew
     Homebrew::CLI::Parser.new do
       days = Homebrew::EnvConfig::ENVS[:HOMEBREW_CLEANUP_MAX_AGE_DAYS][:default]
       usage_banner <<~EOS
-        `cleanup` [<options>] [<formula>|<cask>]
+        `cleanup` [<options>] [<formula>|<cask>] [<formula>|<cask> ...]
 
         Remove stale lock files and outdated downloads for all formulae and casks,
         and remove old versions of installed formulae. If arguments are specified,
diff --git a/Library/Homebrew/cmd/deps.rb b/Library/Homebrew/cmd/deps.rb
index 1ed15e5d3d..826d0b6de7 100644
--- a/Library/Homebrew/cmd/deps.rb
+++ b/Library/Homebrew/cmd/deps.rb
@@ -18,7 +18,7 @@ module Homebrew
   def deps_args
     Homebrew::CLI::Parser.new do
       usage_banner <<~EOS
-        `deps` [<options>] [<formula>]
+        `deps` [<options>] [<formula>] [<formula> ...]
 
         Show dependencies for <formula>. Additional options specific to <formula>
         may be appended to the command. When given multiple formula arguments,
diff --git a/Library/Homebrew/cmd/desc.rb b/Library/Homebrew/cmd/desc.rb
index 6c4b9344fb..3f6b7a2630 100644
--- a/Library/Homebrew/cmd/desc.rb
+++ b/Library/Homebrew/cmd/desc.rb
@@ -17,7 +17,7 @@ module Homebrew
   def desc_args
     Homebrew::CLI::Parser.new do
       usage_banner <<~EOS
-        `desc` [<options>] (<text>|`/`<text>`/`|<formula>)
+        `desc` [<options>] <text>|`/`<text>`/`|<formula> [<text>|`/`<text>`/`|<formula> ...]
 
         Display <formula>'s name and one-line description.
         Formula descriptions are cached; the cache is created on the
@@ -35,7 +35,7 @@ module Homebrew
 
       conflicts "--search", "--name", "--description"
 
-      named_args :formula
+      named_args :formula, min: 1
     end
   end
 
@@ -51,14 +51,10 @@ module Homebrew
     end
 
     results = if search_type.nil?
-      raise FormulaUnspecifiedError if args.no_named?
-
       desc = {}
       args.named.to_formulae.each { |f| desc[f.full_name] = f.desc }
       Descriptions.new(desc)
     else
-      raise UsageError, "this command requires a search term" if args.no_named?
-
       query = args.named.join(" ")
       string_or_regex = query_regexp(query)
       CacheStoreDatabase.use(:descriptions) do |db|
diff --git a/Library/Homebrew/cmd/fetch.rb b/Library/Homebrew/cmd/fetch.rb
index 978d944d42..7ac471552a 100644
--- a/Library/Homebrew/cmd/fetch.rb
+++ b/Library/Homebrew/cmd/fetch.rb
@@ -17,7 +17,7 @@ module Homebrew
   def fetch_args
     Homebrew::CLI::Parser.new do
       usage_banner <<~EOS
-        `fetch` [<options>] <formula>
+        `fetch` [<options>] <formula>|<cask> [<formula>|<cask> ...]
 
         Download a bottle (if available) or source packages for <formula>e
         and binaries for <cask>s. For files, also print SHA-256 checksums.
diff --git a/Library/Homebrew/cmd/home.rb b/Library/Homebrew/cmd/home.rb
index 58d7c1126a..6957dba195 100644
--- a/Library/Homebrew/cmd/home.rb
+++ b/Library/Homebrew/cmd/home.rb
@@ -13,7 +13,7 @@ module Homebrew
   def home_args
     Homebrew::CLI::Parser.new do
       usage_banner <<~EOS
-        `home` [<formula>|<cask>]
+        `home` [<formula>|<cask>] [<formula>|<cask> ...]
 
         Open a <formula> or <cask>'s homepage in a browser, or open
         Homebrew's own homepage if no argument is provided.
diff --git a/Library/Homebrew/cmd/info.rb b/Library/Homebrew/cmd/info.rb
index 7956ac39f8..159141cafb 100644
--- a/Library/Homebrew/cmd/info.rb
+++ b/Library/Homebrew/cmd/info.rb
@@ -25,7 +25,7 @@ module Homebrew
   def info_args
     Homebrew::CLI::Parser.new do
       usage_banner <<~EOS
-        `info` [<options>] [<formula>|<cask>]
+        `info` [<options>] [<formula>|<cask>] [<formula>|<cask> ...]
 
         Display brief statistics for your Homebrew installation.
 
diff --git a/Library/Homebrew/cmd/install.rb b/Library/Homebrew/cmd/install.rb
index 06fc5e2504..734dc98ae2 100644
--- a/Library/Homebrew/cmd/install.rb
+++ b/Library/Homebrew/cmd/install.rb
@@ -24,7 +24,7 @@ module Homebrew
   def install_args
     Homebrew::CLI::Parser.new do
       usage_banner <<~EOS
-        `install` [<options>] <formula>|<cask>
+        `install` [<options>] <formula>|<cask> [<formula>|<cask> ...]
 
         Install a <formula> or <cask>. Additional options specific to a <formula> may be
         appended to the command.
diff --git a/Library/Homebrew/cmd/link.rb b/Library/Homebrew/cmd/link.rb
index 29365dd003..94f7021a8a 100644
--- a/Library/Homebrew/cmd/link.rb
+++ b/Library/Homebrew/cmd/link.rb
@@ -15,7 +15,7 @@ module Homebrew
   def link_args
     Homebrew::CLI::Parser.new do
       usage_banner <<~EOS
-        `link`, `ln` [<options>] <formula>
+        `link`, `ln` [<options>] <formula> [<formula> ...]
 
         Symlink all of <formula>'s installed files into Homebrew's prefix. This
         is done automatically when you install formulae but can be useful for DIY
diff --git a/Library/Homebrew/cmd/list.rb b/Library/Homebrew/cmd/list.rb
index 57446422e6..fcca596332 100644
--- a/Library/Homebrew/cmd/list.rb
+++ b/Library/Homebrew/cmd/list.rb
@@ -15,7 +15,7 @@ module Homebrew
   def list_args
     Homebrew::CLI::Parser.new do
       usage_banner <<~EOS
-        `list`, `ls` [<options>] [<formula>|<cask>]
+        `list`, `ls` [<options>] [<formula>|<cask>] [<formula>|<cask> ...]
 
         List all installed formulae and casks.
 
diff --git a/Library/Homebrew/cmd/migrate.rb b/Library/Homebrew/cmd/migrate.rb
index e2455dc6b5..c7adbacef1 100644
--- a/Library/Homebrew/cmd/migrate.rb
+++ b/Library/Homebrew/cmd/migrate.rb
@@ -13,7 +13,7 @@ module Homebrew
   def migrate_args
     Homebrew::CLI::Parser.new do
       usage_banner <<~EOS
-        `migrate` [<options>] <formula>
+        `migrate` [<options>] <formula> [<formula> ...]
 
         Migrate renamed packages to new names, where <formula> are old names of
         packages.
diff --git a/Library/Homebrew/cmd/missing.rb b/Library/Homebrew/cmd/missing.rb
index 1b0f2ef1d6..c082374f05 100644
--- a/Library/Homebrew/cmd/missing.rb
+++ b/Library/Homebrew/cmd/missing.rb
@@ -15,7 +15,7 @@ module Homebrew
   def missing_args
     Homebrew::CLI::Parser.new do
       usage_banner <<~EOS
-        `missing` [<options>] [<formula>]
+        `missing` [<options>] [<formula>] [<formula> ...]
 
         Check the given <formula> kegs for missing dependencies. If no <formula> are
         provided, check all kegs. Will exit with a non-zero status if any kegs are found
diff --git a/Library/Homebrew/cmd/options.rb b/Library/Homebrew/cmd/options.rb
index f87a2f81ec..bf7238d47e 100644
--- a/Library/Homebrew/cmd/options.rb
+++ b/Library/Homebrew/cmd/options.rb
@@ -15,7 +15,7 @@ module Homebrew
   def options_args
     Homebrew::CLI::Parser.new do
       usage_banner <<~EOS
-        `options` [<options>] [<formula>]
+        `options` [<options>] [<formula>] [<formula> ...]
 
         Show install options specific to <formula>.
       EOS
diff --git a/Library/Homebrew/cmd/outdated.rb b/Library/Homebrew/cmd/outdated.rb
index 112fcf0cd4..af5c94eace 100644
--- a/Library/Homebrew/cmd/outdated.rb
+++ b/Library/Homebrew/cmd/outdated.rb
@@ -16,7 +16,7 @@ module Homebrew
   def outdated_args
     Homebrew::CLI::Parser.new do
       usage_banner <<~EOS
-        `outdated` [<options>] [<formula>|<cask>]
+        `outdated` [<options>] [<formula>|<cask>] [<formula>|<cask> ...]
 
         List installed casks and formulae that have an updated version available. By default, version
         information is displayed in interactive shells, and suppressed otherwise.
diff --git a/Library/Homebrew/cmd/pin.rb b/Library/Homebrew/cmd/pin.rb
index c9367ea006..be6749c7fa 100644
--- a/Library/Homebrew/cmd/pin.rb
+++ b/Library/Homebrew/cmd/pin.rb
@@ -13,7 +13,7 @@ module Homebrew
   def pin_args
     Homebrew::CLI::Parser.new do
       usage_banner <<~EOS
-        `pin` <formula>
+        `pin` <formula> [<formula> ...]
 
         Pin the specified <formula>, preventing them from being upgraded when
         issuing the `brew upgrade` <formula> command. See also `unpin`.
diff --git a/Library/Homebrew/cmd/postinstall.rb b/Library/Homebrew/cmd/postinstall.rb
index a1d5cb2ff7..22577d343a 100644
--- a/Library/Homebrew/cmd/postinstall.rb
+++ b/Library/Homebrew/cmd/postinstall.rb
@@ -14,7 +14,7 @@ module Homebrew
   def postinstall_args
     Homebrew::CLI::Parser.new do
       usage_banner <<~EOS
-        `postinstall` <formula>
+        `postinstall` <formula> [<formula> ...]
 
         Rerun the post-install steps for <formula>.
       EOS
diff --git a/Library/Homebrew/cmd/readall.rb b/Library/Homebrew/cmd/readall.rb
index 0ee287edef..9b6b8edf06 100644
--- a/Library/Homebrew/cmd/readall.rb
+++ b/Library/Homebrew/cmd/readall.rb
@@ -13,7 +13,7 @@ module Homebrew
   def readall_args
     Homebrew::CLI::Parser.new do
       usage_banner <<~EOS
-        `readall` [<options>] [<tap>]
+        `readall` [<options>] [<tap>] [<tap> ...]
 
         Import all items from the specified <tap>, or from all installed taps if none is provided.
         This can be useful for debugging issues across all items when making
diff --git a/Library/Homebrew/cmd/reinstall.rb b/Library/Homebrew/cmd/reinstall.rb
index 8ac00a61f4..1ba22c52ce 100644
--- a/Library/Homebrew/cmd/reinstall.rb
+++ b/Library/Homebrew/cmd/reinstall.rb
@@ -22,7 +22,7 @@ module Homebrew
   def reinstall_args
     Homebrew::CLI::Parser.new do
       usage_banner <<~EOS
-        `reinstall` [<options>] <formula>|<cask>
+        `reinstall` [<options>] <formula>|<cask> [<formula>|<cask> ...]
 
         Uninstall and then reinstall a <formula> or <cask> using the same options it was
         originally installed with, plus any appended options specific to a <formula>.
diff --git a/Library/Homebrew/cmd/search.rb b/Library/Homebrew/cmd/search.rb
index 0b08fa14ea..aa4625e9df 100644
--- a/Library/Homebrew/cmd/search.rb
+++ b/Library/Homebrew/cmd/search.rb
@@ -31,7 +31,7 @@ module Homebrew
   def search_args
     Homebrew::CLI::Parser.new do
       usage_banner <<~EOS
-        `search` [<options>] [<text>|`/`<text>`/`]
+        `search` [<options>] [<text>|`/`<text>`/`] [<text>|`/`<text>`/` ...]
 
         Perform a substring search of cask tokens and formula names for <text>. If <text>
         is flanked by slashes, it is interpreted as a regular expression.
diff --git a/Library/Homebrew/cmd/switch.rb b/Library/Homebrew/cmd/switch.rb
index d7b5f5e9cf..e9d3b141c8 100644
--- a/Library/Homebrew/cmd/switch.rb
+++ b/Library/Homebrew/cmd/switch.rb
@@ -19,7 +19,7 @@ module Homebrew
         Symlink all of the specified <version> of <formula>'s installation into Homebrew's prefix.
       EOS
 
-      named 2
+      named_args number: 2
       hide_from_man_page!
     end
   end
diff --git a/Library/Homebrew/cmd/tap-info.rb b/Library/Homebrew/cmd/tap-info.rb
index 29bff4ddf0..008287496b 100644
--- a/Library/Homebrew/cmd/tap-info.rb
+++ b/Library/Homebrew/cmd/tap-info.rb
@@ -12,7 +12,7 @@ module Homebrew
   def tap_info_args
     Homebrew::CLI::Parser.new do
       usage_banner <<~EOS
-        `tap-info` [<options>] [<tap>]
+        `tap-info` [<options>] [<tap>] [<tap> ...]
 
         Show detailed information about one or more <tap>s.
 
diff --git a/Library/Homebrew/cmd/uninstall.rb b/Library/Homebrew/cmd/uninstall.rb
index 5d76f42b01..0c730c810a 100644
--- a/Library/Homebrew/cmd/uninstall.rb
+++ b/Library/Homebrew/cmd/uninstall.rb
@@ -19,7 +19,7 @@ module Homebrew
   def uninstall_args
     Homebrew::CLI::Parser.new do
       usage_banner <<~EOS
-        `uninstall`, `rm`, `remove` [<options>] <formula>|<cask>
+        `uninstall`, `rm`, `remove` [<options>] <formula>|<cask> [<formula>|<cask> ...]
 
         Uninstall a <formula> or <cask>.
       EOS
diff --git a/Library/Homebrew/cmd/unlink.rb b/Library/Homebrew/cmd/unlink.rb
index 02bbbab6e8..cd5f7f2070 100644
--- a/Library/Homebrew/cmd/unlink.rb
+++ b/Library/Homebrew/cmd/unlink.rb
@@ -14,7 +14,7 @@ module Homebrew
   def unlink_args
     Homebrew::CLI::Parser.new do
       usage_banner <<~EOS
-        `unlink` [<options>] <formula>
+        `unlink` [<options>] <formula> [<formula> ...]
 
         Remove symlinks for <formula> from Homebrew's prefix. This can be useful
         for temporarily disabling a formula:
diff --git a/Library/Homebrew/cmd/unpin.rb b/Library/Homebrew/cmd/unpin.rb
index f763a80e1b..e4dbbbe3ac 100644
--- a/Library/Homebrew/cmd/unpin.rb
+++ b/Library/Homebrew/cmd/unpin.rb
@@ -13,7 +13,7 @@ module Homebrew
   def unpin_args
     Homebrew::CLI::Parser.new do
       usage_banner <<~EOS
-        `unpin` <formula>
+        `unpin` <formula> [<formula> ...]
 
         Unpin <formula>, allowing them to be upgraded by `brew upgrade` <formula>.
         See also `pin`.
diff --git a/Library/Homebrew/cmd/untap.rb b/Library/Homebrew/cmd/untap.rb
index 1bdb6b3f5b..2fd28d9000 100644
--- a/Library/Homebrew/cmd/untap.rb
+++ b/Library/Homebrew/cmd/untap.rb
@@ -12,7 +12,7 @@ module Homebrew
   def untap_args
     Homebrew::CLI::Parser.new do
       usage_banner <<~EOS
-        `untap` <tap>
+        `untap` <tap> [<tap> ...]
 
         Remove a tapped formula repository.
       EOS
diff --git a/Library/Homebrew/cmd/update-reset.sh b/Library/Homebrew/cmd/update-reset.sh
index 9cccaa35fb..d652f6d3ed 100644
--- a/Library/Homebrew/cmd/update-reset.sh
+++ b/Library/Homebrew/cmd/update-reset.sh
@@ -1,4 +1,4 @@
-#:  * `update-reset` [<repository>]
+#:  * `update-reset` [<repository>] [<repository> ...]
 #:
 #:  Fetch and reset Homebrew and all tap repositories (or any specified <repository>) using `git`(1) to their latest `origin/master`.
 #:
diff --git a/Library/Homebrew/cmd/upgrade.rb b/Library/Homebrew/cmd/upgrade.rb
index 038083fcff..f4f2db53ae 100644
--- a/Library/Homebrew/cmd/upgrade.rb
+++ b/Library/Homebrew/cmd/upgrade.rb
@@ -18,7 +18,7 @@ module Homebrew
   def upgrade_args
     Homebrew::CLI::Parser.new do
       usage_banner <<~EOS
-        `upgrade` [<options>] [<formula>|<cask>]
+        `upgrade` [<options>] [<formula>|<cask>] [<formula>|<cask> ...]
 
         Upgrade outdated casks and outdated, unpinned formulae using the same options they were originally
         installed with, plus any appended brew formula options. If <cask> or <formula> are specified,
diff --git a/Library/Homebrew/cmd/uses.rb b/Library/Homebrew/cmd/uses.rb
index 7ad2e3c6a4..1c4214d1b7 100644
--- a/Library/Homebrew/cmd/uses.rb
+++ b/Library/Homebrew/cmd/uses.rb
@@ -21,7 +21,7 @@ module Homebrew
   def uses_args
     Homebrew::CLI::Parser.new do
       usage_banner <<~EOS
-        `uses` [<options>] <formula>
+        `uses` [<options>] <formula> [<formula> ...]
 
         Show formulae and casks that specify <formula> as a dependency (i.e. show dependents
         of <formula>). When given multiple formula arguments, show the intersection