diff --git a/src/backend/access/transam/slru.c b/src/backend/access/transam/slru.c
index 978d68db0f0..8f254b01dbd 100644
--- a/src/backend/access/transam/slru.c
+++ b/src/backend/access/transam/slru.c
@@ -247,6 +247,7 @@ SimpleLruAutotuneBuffers(int divisor, int max)
  * buffer_tranche_id: tranche ID to use for the SLRU's per-buffer LWLocks.
  * bank_tranche_id: tranche ID to use for the bank LWLocks.
  * sync_handler: which set of functions to use to handle sync requests
+ * long_segment_names: use short or long segment names
  */
 void
 SimpleLruInit(SlruCtl ctl, const char *name, int nslots, int nlsns,
@@ -620,7 +621,7 @@ SimpleLruReadPage_ReadOnly(SlruCtl ctl, int64 pageno, TransactionId xid)
 			shared->page_number[slotno] == pageno &&
 			shared->page_status[slotno] != SLRU_PAGE_READ_IN_PROGRESS)
 		{
-			/* See comments for SlruRecentlyUsed macro */
+			/* See comments for SlruRecentlyUsed() */
 			SlruRecentlyUsed(shared, slotno);
 
 			/* update the stats counter of pages found in the SLRU */