misc. typos

Found via `codespell`
diff --git a/tools/FindPythonLibsNew.cmake b/tools/FindPythonLibsNew.cmake
index ad3ed48..b29b287 100644
--- a/tools/FindPythonLibsNew.cmake
+++ b/tools/FindPythonLibsNew.cmake
@@ -1,5 +1,5 @@
 # - Find python libraries
-# This module finds the libraries corresponding to the Python interpeter
+# This module finds the libraries corresponding to the Python interpreter
 # FindPythonInterp provides.
 # This code sets the following variables:
 #