diff --git a/src/files.c b/src/files.c
index 6a5cc8b559723a7283c3acb07a1852dbdc142325..95d20176326d683916bf02a8384b6cd7a4dc673c 100644
--- a/src/files.c
+++ b/src/files.c
@@ -880,9 +880,9 @@ void do_insertfile(
 		openfile->current_x = strlen(openfile->filebot->data);
 		if (openfile->fileage == openfile->filebot) {
 #ifndef NANO_TINY
-		    /* If the mark begins inside the partition, update
-		     * the mark coordinates to account for the number of
-		     * characters inserted on the current line. */
+		    /* If the mark begins inside the partition, adjust
+		     * the mark coordinates to compensate for the change
+		     * in the current line. */
 		    if (openfile->mark_set) {
 			openfile->mark_begin = openfile->current;
 			if (do_mark_shift)