diff --git a/km3io/daq.py b/km3io/daq.py
index 22d17f454c6514e761b8ce003816238e79c49655..591ab6584965035681fd141b12d79c0ef05a014b 100644
--- a/km3io/daq.py
+++ b/km3io/daq.py
@@ -46,7 +46,13 @@ def get_channel_flags(value):
 
 
 def get_number_udp_packets(value):
-    """Returns the number of received UDP packets (dq_status)"""
+    """Returns the number of received UDP packets (dq_status)
+
+    Parameters
+    ----------
+    value : int32
+        The integer value to be parsed.
+    """
     return np.bitwise_and(value, 0x7FFF)