diff --git a/src/os_win32.c b/src/os_win32.c
index eba043d..1bd3d4a 100644
--- a/src/os_win32.c
+++ b/src/os_win32.c
@@ -3800,7 +3800,7 @@
 
 
 /*
- * Set normal fg/bg color, based on T_ME.  Called whem t_me has been set.
+ * Set normal fg/bg color, based on T_ME.  Called when t_me has been set.
  */
     void
 mch_set_normal_colors(void)