cosmetic

Author: Roman Janusz

docs/Analyzer.md

@@ -35,7 +35,7 @@ Here's a list of currently supported rules:
 Rules may be enabled and disabled in `build.sbt` with Scala compiler options:
 
 ```scala
-scalacOptions += "-P:AVSystemAnalyzer:<level><ruleName>(:<arg>)?,<level><ruleName>(:<arg>)?,..."
+scalacOptions += "-P:AVSystemAnalyzer:<level><ruleName>[:<arg>],<level><ruleName>[:<arg>],..."
 ```
 
 `<name>` must be one of the rule names listed above or `_` to apply to all rules.