diff -r 460c0258bb5b -r 028039652b86 src/ucx/logging.h
--- a/src/ucx/logging.h	Fri Dec 20 14:29:41 2019 +0100
+++ b/src/ucx/logging.h	Fri Dec 20 14:44:50 2019 +0100
@@ -160,7 +160,10 @@
  * format is:
  * 
  * <code>[LEVEL] [TIMESTAMP] [SOURCEFILE]:[LINENO] message</code>
- * 
+ *
+ * The source file name is reduced to the actual file name. This is necessary to
+ * get consistent behavior over different definitions of the __FILE__ macro.
+ *
  * <b>Attention:</b> the message (including automatically generated information)
  * is limited to 4096 characters. The level description is limited to
  * 256 characters and the timestamp string is limited to 128 characters.