diff --git a/Library/Homebrew/dev-cmd/extract.rb b/Library/Homebrew/dev-cmd/extract.rb
index a2ae913281..9ebec61354 100644
--- a/Library/Homebrew/dev-cmd/extract.rb
+++ b/Library/Homebrew/dev-cmd/extract.rb
@@ -1,8 +1,7 @@
-#:  * `extract` [`--force`] <formula> `--tap=`<tap> [`--version=`<version>]:
+#:  * `extract` [`--force`] <formula> <tap> [`--version=`<version>]:
 #:    Looks through repository history to find the <version> of <formula> and
 #:    creates a copy in <tap>/Formula/<formula>@<version>.rb. If the tap is
 #:    not installed yet, attempts to install/clone the tap before continuing.
-#:    A tap must be passed through `--tap` in order for `extract` to work.
 #:
 #:    If `--force` is passed, the file at the destination will be overwritten
 #:    if it already exists. Otherwise, existing files will be preserved.