Fix typo in setting name

src/Core/Settings.h

@@ -369,7 +369,7 @@ struct Settings : public SettingsCollection<Settings>
     M(SettingBool, optimize_move_functions_out_of_any, true, "Move functions out of aggregate functions 'any', 'anyLast'.", 0) \
     M(SettingBool, optimize_arithmetic_operations_in_aggregate_functions, true, "Move arithmetic operations out of aggregation functions", 0) \
     M(SettingBool, optimize_duplicate_order_by_and_distinct, true, "Remove duplicate ORDER BY and DISTINCT if it's possible", 0) \
-    M(SettingBool, optimize_if_chain_to_miltiif, false, "Replace if(cond1, then1, if(cond2, ...)) chains to multiIf. Currently it's not beneficial for numeric types.", 0) \
+    M(SettingBool, optimize_if_chain_to_multiif, false, "Replace if(cond1, then1, if(cond2, ...)) chains to multiIf. Currently it's not beneficial for numeric types.", 0) \
     M(SettingBool, allow_experimental_alter_materialized_view_structure, false, "Allow atomic alter on Materialized views. Work in progress.", 0) \
     M(SettingBool, enable_early_constant_folding, true, "Enable query optimization where we analyze function and subqueries results and rewrite query if there're constants there", 0) \
     \