diff --git a/docs/Formula-Cookbook.md b/docs/Formula-Cookbook.md
index e92da914f3b1ce..9b2de446549789 100644
--- a/docs/Formula-Cookbook.md
+++ b/docs/Formula-Cookbook.md
@@ -334,7 +334,7 @@ test do
 end
 ```
 
-* If your program writes to sterr, you can [redirect sterr to stdout for assertions with `shell_output`](https://github.com/Homebrew/brew/issues/5149). For example:
+* If the binary only writes to `stderr`, you can redirect `stderr` to `stdout` for assertions with `shell_output`. For example:
 
 ```ruby
 test do