diff --git a/ippisite/ippidb/models.py b/ippisite/ippidb/models.py
index 044285432b598b42f072be5e08f2dbfd05f17396..55710940e48825b799daadcc87fc1e0de41f06b8 100644
--- a/ippisite/ippidb/models.py
+++ b/ippisite/ippidb/models.py
@@ -988,7 +988,7 @@ class Compound(AutoFillableModel):
     def autofill(self):
         """
         Finalize the computation of the Compound
-        by computing InChi, InChiKey and Drugbank similarity  
+        by computing InChi, InChiKey and Drugbank similarity
         """
         # compute InChi and InChiKey
         self.inchi = smi2inchi(self.canonical_smile)