diff --git a/lib/iris/fileformats/pp.py b/lib/iris/fileformats/pp.py
index 9f399c75ce..e49d1134d5 100644
--- a/lib/iris/fileformats/pp.py
+++ b/lib/iris/fileformats/pp.py
@@ -247,7 +247,7 @@ class STASH(collections.namedtuple('STASH', 'model section item')):
 
     A stash object can be compared directly
     to its string representation:
-        >>> STASH(model=1, section=0, item=4) == 'm01s0i004'
+        >>> iris.fileformats.pp.STASH(1, 0, 4) == 'm01s0i004'
         True
 
     """