diff --git a/chempy/util/parsing.py b/chempy/util/parsing.py
index 12ac5a57..fe5e7fda 100644
--- a/chempy/util/parsing.py
+++ b/chempy/util/parsing.py
@@ -378,7 +378,7 @@ def formula_to_composition(
     True
     >>> formula_to_composition('.NHO-(aq)') == {0: -1, 1: 1, 7: 1, 8: 1}
     True
-    >>> formula_to_composition('Na2CO3*7H2O') == {11: 2, 6: 1, 8: 10, 1: 14}
+    >>> formula_to_composition('Na2CO3..7H2O') == {11: 2, 6: 1, 8: 10, 1: 14}
     True
 
     """
@@ -399,7 +399,6 @@ def formula_to_composition(
     else:
         parts = stoich_tok.split("..")
 
-
     for idx, stoich in enumerate(parts):
         if idx == 0:
             m = 1
@@ -535,7 +534,6 @@ def to_reaction(line, substance_keys, token, Cls, globals_=None, **kwargs):
     )
 
 
-
 def _formula_to_format(
     sub,
     sup,