diff --git a/core/doc/argcheck.rst b/core/doc/argcheck.rst
index 53f517f1c77a98f14edaf19f8065563c194a8ed4..b9a35a624353e75b40ec545830da812d07b5aeff 100644
--- a/core/doc/argcheck.rst
+++ b/core/doc/argcheck.rst
@@ -9,8 +9,8 @@ Introduction
 For parsing command line arguments -
 :py_docs:`optional <howto/argparse.html#introducing-optional-arguments>` and
 :py_docs:`positional <howto/argparse.html#introducing-positional-arguments>` -
-|project| tools should utilise Pythons own
-:py_docs:`argparse <library/argparse.html>` module. While this comes with a lot
+|project| tools should utilise its own
+:mod:`~promod3.core.pm3argparse` module. While this comes with a lot
 of functionality to fetch values from the command line comfortably, it has no
 means in checking/ verifying input. Some of the most common tests are covered
 here. All tests are designed to exit a script on failure.
@@ -63,4 +63,6 @@ File Tests
 
 .. autofunction:: FileExtension
 
-..  LocalWords:  currentmodule py howto argparse
+..  LocalWords:  currentmodule py howto argparse testcode argcheck os promod
+..  LocalWords:  tempfile fh fn ArgumentParser str args FileExists gz pdb
+..  LocalWords:  FileExtension mmcif doctest autofunction
diff --git a/core/doc/pm3argparse.rst b/core/doc/pm3argparse.rst
index 359b6755d179c0fec98ddf1c0139207d14d77575..43e05c1265ae13d3092c52a3c8e30bfdde516afc 100644
--- a/core/doc/pm3argparse.rst
+++ b/core/doc/pm3argparse.rst
@@ -3,6 +3,8 @@
 
 .. currentmodule:: promod3.core.pm3argparse
 
+.. module:: promod3.core.pm3argparse
+
 Introduction
 --------------------------------------------------------------------------------