Update README.md

Author: borisdj

README.md

@@ -189,7 +189,7 @@ Additionally there is **UpdateByProperties** for specifying custom properties, b
 When setting multiple props in UpdateByProps then match done by columns combined, like unique constrain based on those cols.<br>
 Using UpdateByProperties while also having Identity column requires that Id property be [Excluded](https://github.com/borisdj/EFCore.BulkExtensions/issues/131).<br>
 Also with PostgreSQL when matching is done it requires UniqueIndex so for custom UpdateByProperties that do not have Un.Ind., it is temporarily created in which case method can not be in transaction (throws: *current transaction is aborted; CREATE INDEX CONCURRENTLY cannot run inside a transaction block*).<br>
-Similar is done wiht MySQL by temporarily adding UNIQUE CONSTRAINT.<br>
+Similar is done with MySQL by temporarily adding UNIQUE CONSTRAINT.<br>
 
 If **NotifyAfter** is not set it will have same value as _BatchSize_ while **BulkCopyTimeout** when not set has SqlBulkCopy default which is 30 seconds and if set to 0 it indicates no limit.<br><br>
 _SetOutputIdentity_ have purpose only when PK has Identity (usually *int* type with AutoIncrement), while if PK is Guid(sequential) created in Application there is no need for them.<br>