diff --git a/dbms/src/Common/ArenaAllocator.h b/dbms/src/Common/ArenaAllocator.h
index e2a8abfbd8a9ee33919b147b3d07e0b12ac362d9..07542f861766bf2155beb519296b2c0cf23d85a3 100644
--- a/dbms/src/Common/ArenaAllocator.h
+++ b/dbms/src/Common/ArenaAllocator.h
@@ -5,7 +5,7 @@
 namespace DB
 {
 
-/// Fake Allocator which proxies all allocations to Arena. Used in aggregate functions.
+/// Allocator which proxies all allocations to Arena. Used in aggregate functions.
 class ArenaAllocator
 {
 public: