diff --git a/gc.c b/gc.c
index b017b013db..a3afd29590 100644
--- a/gc.c
+++ b/gc.c
@@ -1074,7 +1074,7 @@ gc_sweep(void)
 	    }
 	    else if (RBASIC(p)->flags == FL_MARK) {
 		/* objects to be finalized */
-		/* do notning remain marked */
+		/* do nothing remain marked */
 	    }
 	    else {
 		RBASIC(p)->flags &= ~FL_MARK;