Fixed comment [#CLICKHOUSE-2].

dbms/src/Storages/StorageReplicatedMergeTree.h

@@ -38,7 +38,7 @@ namespace DB
   * - a set of parts of data on each replica (/replicas/replica_name/parts);
   * - list of the last N blocks of data with checksum, for deduplication (/blocks);
   * - the list of incremental block numbers (/block_numbers) that we are about to insert,
-  *   or that were unused (/nonincremental_block_numbers)
+  *   or that were unused (/nonincrement_block_numbers)
   *   to ensure the linear order of data insertion and data merge only on the intervals in this sequence;
   * - coordinates writes with quorum (/quorum).
   */