diff --git a/Library/Homebrew/cmd/info.rb b/Library/Homebrew/cmd/info.rb
index e6db9ec358..312e50c51e 100644
--- a/Library/Homebrew/cmd/info.rb
+++ b/Library/Homebrew/cmd/info.rb
@@ -29,11 +29,11 @@ module Homebrew
              description: "List global Homebrew analytics data or, if specified, installation and "\
                           "build error data for <formula> (provided neither `HOMEBREW_NO_ANALYTICS` "\
                           "nor `HOMEBREW_NO_GITHUB_API` are set)."
-      flag   "--days",
+      flag   "--days=",
              depends_on:  "--analytics",
              description: "How many days of analytics data to retrieve. "\
                           "The value for <days> must be `30`, `90` or `365`. The default is `30`."
-      flag   "--category",
+      flag   "--category=",
              depends_on:  "--analytics",
              description: "Which type of analytics data to retrieve. "\
                           "The value for <category> must be `install`, `install-on-request` or `build-error`; "\