diff --git a/mozilla/js/src/jslock.c b/mozilla/js/src/jslock.c
index de69113430a..ae79db2baf2 100644
--- a/mozilla/js/src/jslock.c
+++ b/mozilla/js/src/jslock.c
@@ -459,7 +459,7 @@ js_SetupLocks(int l, int g)
     return 1;
 }
 
-// pull in the cleanup function from jsdtoa.c
+/* pull in the cleanup function from jsdtoa.c */
 extern void js_FinishDtoa(void);
 
 void