Fix a typo in a comment.

diff --git a/src/buffer.c b/src/buffer.c
index 1b559faaee173e3e7e05ed0a8ef98da3dc66bb78..a20b2250209ee01d35bd2c6a13d01c79728f4ac0 100644 (file)
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -3556,7 +3556,7 @@ DEFUN ("delete-overlay", Fdelete_overlay, Sdelete_overlay, 1, 1, 0,
   Fset_marker (OVERLAY_START (overlay), Qnil, Qnil);
   Fset_marker (OVERLAY_END   (overlay), Qnil, Qnil);
 
-  /* WHen deleting on overlay with before or after strings, turn off
+  /* When deleting an overlay with before or after strings, turn off
      display optimizations for the affected buffer, on the basis that
      these strings may contain newlines.  This is easier to do than to
      check for that situation during redisplay.  */