1 files changed, 1 insertions, 1 deletions
diff --git a/sv.h b/sv.h
index e87bb50455..90d025f835 100644
--- a/sv.h
+++ b/sv.h
@@ -130,7 +130,7 @@ struct io {
 #define SVpbm_TAIL	0x20000000
 
 #ifdef USE_THREADS
-#define SVpcv_SYNC	0x10000000	/* Synchronised: 1 thread at a time */
+#define SVp_SYNC	0x10000000	/* Synchronised CV or an SV lock */
 #endif /* USE_THREADS */
 
 #ifdef OVERLOAD