updated for version 7.0162
diff --git a/src/screen.c b/src/screen.c
index d184865..ccc7cec 100644
--- a/src/screen.c
+++ b/src/screen.c
@@ -6884,7 +6884,7 @@
 		    else
 			len = Columns;
 #ifdef FEAT_MBYTE
-		    /* When switching to utf-8 dont copy characters, they
+		    /* When switching to utf-8 don't copy characters, they
 		     * may be invalid now. */
 		    if (!(enc_utf8 && ScreenLinesUC == NULL))
 #endif