diff --git a/Library/Homebrew/cmd/uses.rb b/Library/Homebrew/cmd/uses.rb
index 89b7be31c5..5e89c27a2f 100644
--- a/Library/Homebrew/cmd/uses.rb
+++ b/Library/Homebrew/cmd/uses.rb
@@ -38,7 +38,8 @@ module Homebrew
                description: "Evaluate all available formulae and casks, whether installed or not, to show " \
                             "their dependents."
         switch "--include-implicit",
-               description: "Include formulae that specify <formula> as a `:build` dependency."
+               description: "Include formulae that specify <formula> as implicit dependencies: used to " \
+                            "download and unpack source files"
         switch "--include-build",
                description: "Include formulae that specify <formula> as a `:build` dependency."
         switch "--include-test",