diff --git a/PixelatorControllerSettings.md b/PixelatorControllerSettings.md
index 784abc4..d895859 100644
--- a/PixelatorControllerSettings.md
+++ b/PixelatorControllerSettings.md
@@ -251,7 +251,14 @@ value can be
 unit must be a string
 
 ## Log4cpp Properties
-
+Configuration of logging utility. Example:
+```properties
+log4cpp.rootCategory=WARN, stdout
+log4cpp.appender.stdout=org.apache.log4cpp.ConsoleAppender
+log4cpp.appender.stdout.layout=org.apache.log4cpp.PatternLayout
+log4cpp.appender.stdout.layout.ConversionPattern=%d [%t] %-5p %c - %m%n
+log4cpp.category.ch_semafor_stxm.test=INFO
+```
 ## Microscope Control
 
 ## Pixel Clock