diff --git a/packages/py-elephant/package.py b/packages/py-elephant/package.py
index f9af6cb293780d6386246cde88c58f830ca4cd60..defecb64642ec030aa02737bd534b92533d41b16 100644
--- a/packages/py-elephant/package.py
+++ b/packages/py-elephant/package.py
@@ -1,5 +1,5 @@
 # Copyright 2013-2022 Lawrence Livermore National Security, LLC and other
-# Spack Project Developers. See the top-level COPYRIGHT file fr details.
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
 
@@ -17,7 +17,7 @@ class PyElephant(PythonPackage):
     maintainers = ["Moritz-Alexander-Kern"]
 
     version('develop', branch='master')
-    version("0.12.0", sha256="")
+    version("0.12.0", sha256="todo")
     version("0.11.2", sha256="f8759fff0bbb136ae4ffc8d1eacadeea8ba56610d705c3bf207de87ada3ba240")
     version("0.11.1", sha256="d604a202583440fdf9d95d42cef50a410bd74fcaaa1a925b139435f27ab012ef")
     version("0.11.0", sha256="7b547964dbd196361edc922db2c5a7c0c886ef1effcca6c6dc7adb06f966a3be")