diff --git a/modules/conop/doc/compoundlib.rst b/modules/conop/doc/compoundlib.rst
index 5540d83f0a2f4a2fd38c2c6684e65eac89488324..40cae3e669545afbf9a7497ac56ff6b63d585fce 100644
--- a/modules/conop/doc/compoundlib.rst
+++ b/modules/conop/doc/compoundlib.rst
@@ -154,7 +154,7 @@ build the compound library manually.
     
     :type: :class:`str`
     
-  .. attribute:: inchi
+  .. attribute:: inchi_key
   
     The InChIKey of this compound without the 'InChIKey=' part, e.g.
     'XLYOFNOQVPJJNP-UHFFFAOYSA-N' for water. Read-only.