diff --git a/LICENSE b/LICENSE
index a632f3e73..a50eacf98 100644
--- a/LICENSE
+++ b/LICENSE
@@ -357,4 +357,4 @@ Creative Commons Notice
     available upon request from time to time. For the avoidance of doubt,
     this trademark restriction does not form part of this License.
 
-    Creative Commons may be contacted at http://creativecommons.org/.
+    Creative Commons may be contacted at https://creativecommons.org/.
diff --git a/docs/conf.py b/docs/conf.py
index d732ac29f..9b24d3671 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -48,10 +48,10 @@
 
 # General information about the project.
 current_year = datetime.datetime.now().year
-project = u'pythonguide'
+project = 'pythonguide'
 copyright = (u'2011-{} <a href="https://www.kennethreitz.org/projects">Kenneth Reitz</a>'
              ' &amp; <a href="https://realpython.com">Real Python</a>.'
-             ' <a href="http://creativecommons.org/licenses/by-nc-sa/3.0/">CC BY-NC-SA 3.0</a>').format(current_year)
+             ' <a href="https://creativecommons.org/licenses/by-nc-sa/3.0/">CC BY-NC-SA 3.0</a>').format(current_year)
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the
@@ -203,7 +203,7 @@
 # (source start file, target name, title, author, documentclass [howto/manual]).
 latex_documents = [
   ('index', 'pythonguide.tex', u'Python Guide Documentation',
-   u'Kenneth Reitz', 'manual'),
+   [u'Kenneth Reitz'], 1)
 ]
 
 # The name of an image file (relative to this directory) to place at the top of
diff --git a/docs/intro/duction.rst b/docs/intro/duction.rst
index 16baebc0d..f0dc95278 100644
--- a/docs/intro/duction.rst
+++ b/docs/intro/duction.rst
@@ -33,7 +33,7 @@ include:
   Perl's `CPAN <https://www.cpan.org>`_. There is a thriving community
   of very powerful Python frameworks and tools like
   the `Django <https://www.djangoproject.com>`_ web framework and the
-  `NumPy <http://numpy.scipy.org>`_ set of math routines.
+  `NumPy <https://numpy.org/>`_ set of math routines.
 
 * **integration with other systems**
 
diff --git a/docs/scenarios/admin.rst b/docs/scenarios/admin.rst
index 73df990d7..f6433c213 100644
--- a/docs/scenarios/admin.rst
+++ b/docs/scenarios/admin.rst
@@ -395,17 +395,3 @@ up. Buildout is primarily used to download and set up dependencies in `Python
 eggs <https://stackoverflow.com/questions/2051192/what-is-a-python-egg>`_
 format of the software being developed or deployed. Recipes for build tasks in
 any environment can be created, and many are already available.
-
-
-*******
-Shinken
-*******
-
-`Shinken <http://www.shinken-monitoring.org/>`_ is a modern, Nagios compatible
-monitoring framework written in Python. Its main goal is to give users a flexible
-architecture for their monitoring system that is designed to scale to large
-environments.
-
-Shinken is backwards-compatible with the Nagios configuration standard and
-plugins. It works on any operating system and architecture that supports Python,
-which includes Windows, Linux, and FreeBSD.
diff --git a/docs/scenarios/imaging.rst b/docs/scenarios/imaging.rst
index 7b0e71935..8fe7e08fe 100644
--- a/docs/scenarios/imaging.rst
+++ b/docs/scenarios/imaging.rst
@@ -62,7 +62,7 @@ Example
     exif_data
 
 There are more examples of the Pillow library in the
-`Pillow tutorial <https://pillow.readthedocs.io/en/3.0.x/handbook/tutorial.html>`_.
+`Pillow tutorial <https://pillow.readthedocs.io/en/stable/handbook/tutorial.html>`_.
 
 
 ***************************
@@ -109,4 +109,4 @@ Example
 
 There are more Python-implemented examples of OpenCV in this `collection of
 tutorials
-<https://opencv-python-tutroals.readthedocs.io/en/latest/py_tutorials/py_tutorials.html>`_.
+<https://opencv-tutorial.readthedocs.io/en/latest/>`_.
diff --git a/docs/scenarios/scientific.rst b/docs/scenarios/scientific.rst
index bb0547323..9a92fc9a0 100644
--- a/docs/scenarios/scientific.rst
+++ b/docs/scenarios/scientific.rst
@@ -47,7 +47,7 @@ Libraries
 NumPy
 -----
 
-`NumPy <http://numpy.scipy.org/>`_ is a low level library written in C (and
+`NumPy <https://numpy.org/>`_ is a low level library written in C (and
 Fortran) for high level mathematical functions. NumPy cleverly overcomes the
 problem of running slower algorithms on Python by using multidimensional arrays
 and functions that operate on arrays. Any algorithm can then be expressed as a
diff --git a/docs/writing/reading.rst b/docs/writing/reading.rst
index 1e03a4def..465587074 100644
--- a/docs/writing/reading.rst
+++ b/docs/writing/reading.rst
@@ -49,4 +49,4 @@ reading. Each one of these projects is a paragon of Python coding.
 
 .. todo:: Include code examples of exemplary code from each of the projects listed. Explain why it is excellent code. Use complex examples.
 
-.. todo:: Explain techniques to rapidly identify data structures and algorithms and determine what the code is doing.
+.. todo:: Explain techniques for rapidly identifying data structures and algorithms and determining what the code is doing.