diff --git a/unix/noaskpass.c b/unix/noaskpass.c
index 3d77b51c..de646c55 100644
--- a/unix/noaskpass.c
+++ b/unix/noaskpass.c
@@ -1,5 +1,5 @@
 /*
- * GTK implementation of a GUI password/passphrase prompt.
+ * Dummy (lack-of-)implementation of a GUI password/passphrase prompt.
  */
 
 #include "putty.h"