Update SQL.md

Author: asmyasnikov

SQL.md

@@ -154,7 +154,7 @@ ctx := ydb.WithTxControl(ctx, table.OnlineReadOnlyTxControl())
 ## Retryers for `YDB` `database/sql` driver <a name="retry"></a>
 
 `YDB` is a distributed `RDBMS` with non-stop 24/7 releases flow.
-It means some nodes mey be not available for queries.
+It means some nodes may be not available for queries.
 Also network errors may be occurred.
 That's why some queries may be complete with errors.
 Most of those errors are transient.
@@ -260,4 +260,4 @@ nativeDriver.Table().Do(ctx, func(ctx context.Context, s table.Session) error {
     // doing with native YDB session
     return nil
 })
-```
+```