updated for version 7.3.925
Problem:    Typos in source files.
Solution:   Fix the typos. (Ken Takata)
diff --git a/src/memline.c b/src/memline.c
index fecd876..836ee04 100644
--- a/src/memline.c
+++ b/src/memline.c
@@ -3141,7 +3141,7 @@
 	   )
 	    set_keep_msg((char_u *)_(no_lines_msg), 0);
 
-	/* FEAT_BYTEOFF already handled in there, dont worry 'bout it below */
+	/* FEAT_BYTEOFF already handled in there, don't worry 'bout it below */
 	i = ml_replace((linenr_T)1, (char_u *)"", TRUE);
 	buf->b_ml.ml_flags |= ML_EMPTY;