diff --git a/keywords.md b/keywords.md
index a8eb516eb8a5d..7d0097576f0a2 100644
--- a/keywords.md
+++ b/keywords.md
@@ -687,6 +687,7 @@ The following list shows the keywords in TiDB. Reserved keywords are marked with
 - TOKEN_ISSUER
 - TOPN (R)
 - TPCC
+- TPCH_10
 - TRACE
 - TRADITIONAL
 - TRAILING (R)