Update readme.md

Author: wimjongman

readme.md

@@ -233,10 +233,10 @@ My current settings are as follows:
 ![alt text](images_plugin_dev_setup/Screenshot-Preferences 4.png "screen capture")
 ![alt text](images_plugin_dev_setup/Screenshot-Preferences 5.png "screen capture")
 
- * Name shadowing and conflicts. Set all to Warning.
- * Unnecessary code. Set all to Warning.
- * Null analysis. Set all active (not greyed out) to Warning.
- * Potential programming problems. Set all to Warning.
+ * Name shadowing and conflicts: Set all to Warning.
+ * Unnecessary code: Set all to Warning.
+ * Null analysis: Set all active (not greyed out) to Warning.
+ * Potential programming problems: Set all to Warning.
 
 ### Running the Plugin