diff --git a/modules/amv/intercompare.py b/modules/amv/intercompare.py
index 90cc7fe2e31fdc9433dbe1bbf06be781aa84be59..892d000f3537c70b2cebda01d6c475d04602b342 100644
--- a/modules/amv/intercompare.py
+++ b/modules/amv/intercompare.py
@@ -50,6 +50,7 @@ ATYPE = '/TP'
 RMK = '/RM'
 
 
+# Returns icing/non-icing
 def pireps(filename, lon_range=[-180, 180], lat_range=[-55, 55]):
     reports = []
     lats = []