diff --git a/lib/getoptlong.rb b/lib/getoptlong.rb
index f6c5374d67..4d004419b1 100644
--- a/lib/getoptlong.rb
+++ b/lib/getoptlong.rb
@@ -346,7 +346,7 @@ class GetoptLong
   end
 
   #
-  # Set/Unset `quit' mode.
+  # Set/Unset `quiet' mode.
   #
   attr_writer :quiet