Update SQL_MIGRATIONS.md

SQL_MIGRATIONS.md

@@ -1,11 +1,11 @@
 2/12/2017
 ---------
 ```sql
-ALTER TABLE monero_live.config MODIFY item_value TEXT;
+ALTER TABLE pool.config MODIFY item_value TEXT;
 ```
 
 2/13/2017
 ---------
 ```sql
 ALTER TABLE pool.payments ADD transfer_fee BIGINT(20) DEFAULT 0 NULL;
-```
+```