--- a/src/pyams_utils/timezone/__init__.py	Fri Nov 18 15:28:54 2016 +0100
+++ b/src/pyams_utils/timezone/__init__.py	Fri Nov 18 16:47:09 2016 +0100
@@ -51,7 +51,7 @@
 def tztime(value):
     """Convert datetime to local timezone
 
-    Value is assumed to be in GMT if no timezone is given
+    :param datetime value: input datetime; value is assumed to be in GMT if no timezone is given
     """
     if not value:
         return None