Fix minor typo in exception message
@@ -174,7 +174,7 @@ def index_structure(structure, path, path_separator="/"):
elif isinstance(structure, dict):
structure = structure.get(key)
if structure is None:
- raise ValueError("Dictionnary referenced by path '%s' does not have the "
+ raise ValueError("Dictionary referenced by path '%s' does not have the "
"key '%s'" % (current_path, key))
else:
structure = getattr(structure, key, None)
