Update persistence_etc_file_creation.toml

Author: Aegrah

rules/_deprecated/persistence_etc_file_creation.toml

@@ -107,7 +107,7 @@ This rule monitors for the creation of the most common system-wide configuration
 
 ### False Positive Analysis
 
-- If this activity is related to new benign software installation activity, consider adding exceptions — preferably with a combination of user and command line conditions.
+- If this activity is related to new benign software installation activity, consider adding exceptions - preferably with a combination of user and command line conditions.
 - If this activity is related to a system administrator that performed these actions for administrative purposes, consider adding exceptions for this specific administrator user account. 
 - Try to understand the context of the execution by thinking about the user, machine, or business purpose. A small number of endpoints, such as servers with unique software, might appear unusual but satisfy a specific business need.