diff --git a/docs/en/operations/system-tables/tables.md b/docs/en/operations/system-tables/tables.md
index 231be6404a3..364692a934c 100644
--- a/docs/en/operations/system-tables/tables.md
+++ b/docs/en/operations/system-tables/tables.md
@@ -57,7 +57,7 @@ Columns:
     - If the table stores data on disk, returns used space on disk (i.e. compressed).
     - If the table stores data in memory, returns approximated number of used bytes in memory.
 
-- `total_bytes_uncompressed` ([Nullable](../../sql-reference/data-types/nullable.md)([UInt64](../../sql-reference/data-types/int-uint.md))) - Total number of uncompressed bytes, if it is possible to quickly determine exact number of bytes from checksums for the table on storage, otherwise `NULL` (does not includes any underlying storage).
+- `total_bytes_uncompressed` ([Nullable](../../sql-reference/data-types/nullable.md)([UInt64](../../sql-reference/data-types/int-uint.md))) - Total number of uncompressed bytes, if it's possible to quickly determine the exact number of bytes from the part checksums for the table on storage, otherwise `NULL` (does not take underlying storage (if any) into account).
 
 - `lifetime_rows` ([Nullable](../../sql-reference/data-types/nullable.md)([UInt64](../../sql-reference/data-types/int-uint.md))) - Total number of rows INSERTed since server start (only for `Buffer` tables).
 
diff --git a/src/Storages/IStorage.h b/src/Storages/IStorage.h
index ecdf3231997..c50de2ad6bc 100644
--- a/src/Storages/IStorage.h
+++ b/src/Storages/IStorage.h
@@ -699,7 +699,7 @@ public:
     /// Used for:
     /// - For total_bytes_uncompressed column in system.tables
     ///
-    /// Does not takes underlying Storage (if any) into account
+    /// Does not take underlying Storage (if any) into account
     virtual std::optional<UInt64> totalBytesUncompressed(const Settings &) const { return {}; }
     
     /// Number of rows INSERTed since server start.