diff --git a/src/backend/storage/page/bufpage.c b/src/backend/storage/page/bufpage.c
index f2a07f2111..11607827d8 100644
--- a/src/backend/storage/page/bufpage.c
+++ b/src/backend/storage/page/bufpage.c
@@ -889,7 +889,7 @@ PageIndexMultiDelete(Page page, OffsetNumber *itemnos, int nitems)
 			offset != MAXALIGN(offset))
 			ereport(ERROR,
 					(errcode(ERRCODE_DATA_CORRUPTED),
-					 errmsg("corrupted item pointer: offset = %u, size = %u",
+					 errmsg("corrupted item pointer: offset = %u, length = %u",
 							offset, (unsigned int) size)));
 
 		if (nextitm < nitems && offnum == itemnos[nextitm])
-- 
2.11.0