diff --git a/Library/Homebrew/cmd/--repository.rb b/Library/Homebrew/cmd/--repository.rb
index 4ae25e5983..39eb60fe94 100644
--- a/Library/Homebrew/cmd/--repository.rb
+++ b/Library/Homebrew/cmd/--repository.rb
@@ -6,7 +6,7 @@ module Homebrew
   def __repository_args
     Homebrew::CLI::Parser.new do
       usage_banner <<~EOS
-        `--repository` [<formula>]
+        `--repository` [<user>`/`<repo>]
 
         Display where Homebrew's `.git` directory is located.
 
diff --git a/docs/Manpage.md b/docs/Manpage.md
index 067dc132a3..f41fc7025b 100644
--- a/docs/Manpage.md
+++ b/docs/Manpage.md
@@ -624,7 +624,7 @@ Display Homebrew's install path. *Default:* `/usr/local` on macOS and
 If *`formula`* is provided, display the location in the cellar where *`formula`*
 is or would be installed.
 
-### `--repository` [*`formula`*]
+### `--repository` [*`user`*`/`*`repo`*]
 
 Display where Homebrew's `.git` directory is located.
 
diff --git a/manpages/brew.1 b/manpages/brew.1
index 7eeaa55cdc..c98b8b6f0f 100644
--- a/manpages/brew.1
+++ b/manpages/brew.1
@@ -766,7 +766,7 @@ Display Homebrew\'s install path\. \fIDefault:\fR \fB/usr/local\fR on macOS and
 .P
 If \fIformula\fR is provided, display the location in the cellar where \fIformula\fR is or would be installed\.
 .
-.SS "\fB\-\-repository\fR [\fIformula\fR]"
+.SS "\fB\-\-repository\fR [\fIuser\fR\fB/\fR\fIrepo\fR]"
 Display where Homebrew\'s \fB\.git\fR directory is located\.
 .
 .P