diff --git a/src/backend/access/transam/slru.c b/src/backend/access/transam/slru.c
index afedb5c039f..978d68db0f0 100644
--- a/src/backend/access/transam/slru.c
+++ b/src/backend/access/transam/slru.c
@@ -401,10 +401,10 @@ SimpleLruZeroPage(SlruCtl ctl, int64 pageno)
 	/*
 	 * Assume this page is now the latest active page.
 	 *
-	 * Note that because both this routine and SlruSelectLRUPage run with
-	 * ControlLock held, it is not possible for this to be zeroing a page that
-	 * SlruSelectLRUPage is going to evict simultaneously.  Therefore, there's
-	 * no memory barrier here.
+	 * Note that because both this routine and SlruSelectLRUPage run with a
+	 * SLRU bank lock held, it is not possible for this to be zeroing a page
+	 * that SlruSelectLRUPage is going to evict simultaneously.  Therefore,
+	 * there's no memory barrier here.
 	 */
 	pg_atomic_write_u64(&shared->latest_page_number, pageno);
 
diff --git a/src/include/access/slru.h b/src/include/access/slru.h
index 02fcb3bca54..9409f68035a 100644
--- a/src/include/access/slru.h
+++ b/src/include/access/slru.h
@@ -55,7 +55,7 @@ typedef enum
 /*
  * Shared-memory state
  *
- * ControlLock is used to protect access to the other fields, except
+ * SLRU bank locks are used to protect access to the other fields, except
  * latest_page_number, which uses atomics; see comment in slru.c.
  */
 typedef struct SlruSharedData