diff --git a/README.txt b/README.txt
--- a/README.txt
+++ b/README.txt
@@ -77,7 +77,7 @@ the `Sphinx HTML build directory <@doc_d
 
 Local:
 
-- Deployment documentation: `Kallithea deployment documentation </kallithea-deploy/html/index.html>`_ 
+- Deployment documentation: `Kallithea deployment documentation </kallithea-deploy/html/index.html>`_
   `(Python2) </kallithea/_mnt/kallithea-deploy/html/index.html>`_
 - Deployment repository: `Kallithea deployment repository </kallithea/public/kallithea-deploy>`_
 - Installed instance: `Kallithea installed instance </kallithea/public/kallithea>`_
@@ -251,7 +251,6 @@ Activate environment:
    pip install --upgrade -e .
 
    alembic -c config.ini upgrade head
-   alembic -c development.ini upgrade head
    ## or
    mkdir -p data
    kallithea-cli db-create -c config.ini --user=admin --password=ktBE216 --email=edv@ws-gruppe.de --repos="${HOME}"/project/kallithea/repos
@@ -260,6 +259,7 @@ Activate environment:
 
    # `node.js - How can I update NodeJS and NPM to their latest versions? - Stack Overflow <https://stackoverflow.com/questions/6237295/how-can-i-update-nodejs-and-npm-to-their-latest-versions>`_
 
+   mkdir -p "${HOME}/.nvm"
    # clean ~/.bashrc afterwards
    curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.1/install.sh | bash
    . ~/.profile.d/.nvm
@@ -270,6 +270,25 @@ Activate environment:
    "${HOME}"/project/kallithea/kallithea-venv/bin/kallithea-cli index-create -c "${HOME}"/project/kallithea/kallithea/config.ini --full
 
 --------------------------------------------------
+:rem:`||:sec:||`\ Python 3.6 on Ubuntu 16.04
+--------------------------------------------------
+
+See `software installation - How do I install Python 3.6 using apt-get? - Ask Ubuntu <https://askubuntu.com/questions/865554/how-do-i-install-python-3-6-using-apt-get>`_
+
+.. code-block:: sh
+
+   sudo add-apt-repository -y ppa:jblgf0/python
+   sudo apt-get update
+   sudo apt-get install python3.6 python3.6-dev
+
+For pip(1):
+
+.. code-block:: sh
+
+   curl https://bootstrap.pypa.io/pip/3.6/get-pip.py | sudo python3.6
+   # curl https://bootstrap.pypa.io/get-pip.py | sudo python3.7 # min: 3.7
+
+--------------------------------------------------
 :rem:`||:sec:||`\ Initial setup
 --------------------------------------------------
 
diff --git a/doc/doc_defs.inc b/doc/doc_defs.inc
--- a/doc/doc_defs.inc
+++ b/doc/doc_defs.inc
@@ -49,7 +49,7 @@
 
 .. \|:here:|
 
-.. _`Kallithea deployment documentation`: /kallithea/_mnt/kallithea-deploy/html/index.html
+.. _`Kallithea deployment documentation`: /kallithea-deploy/html/index.html
 .. _`Kallithea deployment repository`: /kallithea/public/kallithea-deploy
 .. _`Kallithea installed instance`: /kallithea/public/kallithea