diff --git a/src/normal.c b/src/normal.c
index 4c15700..a0683b2 100644
--- a/src/normal.c
+++ b/src/normal.c
@@ -5496,7 +5496,8 @@
 }
 
 /*
- * CTRL-^ command, short for ":e #"
+ * CTRL-^ command, short for ":e #".  Works even when the alternate buffer is
+ * not named.
  */
     static void
 nv_hat(cmdarg_T *cap)