diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c
index 26c9ef3..d4f9696 100644
--- a/src/backend/access/transam/xlog.c
+++ b/src/backend/access/transam/xlog.c
@@ -3970,7 +3970,7 @@ ReadRecord(XLogRecPtr *RecPtr, int emode, bool fetching_ckpt)
                if (XLOG_BLCKSZ - (RecPtr->xrecoff % XLOG_BLCKSZ) < SizeOfXLogRecord)
                        NextLogPage(*RecPtr);
 
-               /* Check for crossing of xlog segment boundary */
+               /* Check for crossing of xlog logid boundary */
                if (RecPtr->xrecoff >= XLogFileSize)
                {
                        (RecPtr->xlogid)++;