Update README.md

Updated README.md file with the description of the instance check definition

Author: aswamy93

README.md

@@ -322,6 +322,9 @@ It is recommended to use an OOB library for modals in order to improve the user
 ### Use "last run datetime" for JDBC data loads
 In your JDBC data load configuration, ensure that the 'last run datetime' option is set to true and configure the target database field to serve as a timestamp, as this best practice enables incremental data loading and improves performance in data integration processes using JDBC.
 
+### Use of setWorkflow(false) in business rules will cause unexpected issues
+As setWorkflow(false) method will stop the execution of business rules on that particular GlideRecord object, this will result in unexpected behaviour where the execution of business rules skipped. Maintain caution while using this method and perform regression testing to avoid possible risk. It can have noticeable impact on Audit, Journal fields, notifications, SLA engine, workflow, flow engine etc.,
+
 # Additional resources
 
 Please check these additional links for more information and details: