update README file

Author: altafjava

README.md

@@ -43,7 +43,7 @@ Run the script with the following command:
 ```bash
 python migrate.py
 ```
-The script will connect to the MongoDB database, iterate over all collections, It then connects to the MySQL server, **drops the existing database if it exists**, and creates a new one. For each MongoDB collection, the script creates a corresponding table and column with **snake_case** names based on the MongoDB collections' structure, and insert data accordingly. It skips the `_id` and `_class` columns.
+The script will connect to the MongoDB database, iterate over all collections, It then connects to the MySQL server, **drops the existing database if it exists**, and creates a new one. For each MongoDB collection, the script creates a corresponding table and column with **snake_case** names based on the MongoDB collections' structure, and insert data accordingly. It skips the `_id` and `_class` columns during table creation and data insertion based on the configuration settings `SKIP_ID_FIELD` and `SKIP_CLASS_FIELD` respectively.
 
 ## Note
 This script assumes that the MongoDB and MySQL servers are running on localhost. If your servers are running on different hosts, update the host information in the database credentials.