diff --git a/dbms/src/AggregateFunctions/AggregateFunctionUniqCombined.cpp b/dbms/src/AggregateFunctions/AggregateFunctionUniqCombined.cpp
index 1ad628588d6..3c747d94e63 100644
--- a/dbms/src/AggregateFunctions/AggregateFunctionUniqCombined.cpp
+++ b/dbms/src/AggregateFunctions/AggregateFunctionUniqCombined.cpp
@@ -30,8 +30,7 @@ namespace
     template <UInt8 K>
     AggregateFunctionPtr createAggregateFunctionWithK(const DataTypes & argument_types)
     {
-        /// We use exact hash function if the user wants it;
-        /// or if the arguments are not contiguous in memory, because only exact hash function have support for this case.
+        /// We use exact hash function if the arguments are not contiguous in memory, because only exact hash function has support for this case.
         bool use_exact_hash_function = !isAllArgumentsContiguousInMemory(argument_types);
 
         if (argument_types.size() == 1)