@@ -1,6 +1,6 @@
 
 ================
-Next API Changes
+Next API changes
 ================
 
 .. ifconfig:: releaselevel == 'dev'
 
@@ -85,7 +85,7 @@ Organizational topics:
 
 .. _pr-guidelines-details:
 
-Detailed Guidelines
+Detailed guidelines
 ===================
 
 .. _pr-documentation:
@@ -246,7 +246,7 @@ Number of commits and squashing
 
 .. _branches_and_backports:
 
-Branches and Backports
+Branches and backports
 ======================
 
 Current branches
 
@@ -1,7 +1,7 @@
 .. _color_changes:
 
 *********************
-Default Color changes
+Default color changes
 *********************
 
 As discussed at length elsewhere [insert links], ``jet`` is an
@@ -14,7 +14,7 @@ plots and to adopt a different colormap for filled plots (``imshow``,
 ``pcolor``, ``contourf``, etc) and for scatter like plots.
 
 
-Default Heat Map Colormap
+Default heat map colormap
 -------------------------
 
 The choice of a new colormap is fertile ground to bike-shedding ("No,
@@ -57,10 +57,10 @@ Nathaniel Smith) to evaluate proposed colormaps.
 Example script
 ++++++++++++++
 
-Proposed Colormaps
+Proposed colormaps
 ++++++++++++++++++
 
-Default Scatter Colormap
+Default scatter colormap
 ------------------------
 
 For heat-map like applications it can be desirable to cover as much of
@@ -99,10 +99,10 @@ Example script
    qd = np.random.rand(np.prod(X.shape))
    Q.set_array(qd)
 
-Proposed Colormaps
+Proposed colormaps
 ++++++++++++++++++
 
-Color Cycle / Qualitative colormap
+Color cycle / qualitative colormap
 -----------------------------------
 
 When plotting lines it is frequently desirable to plot multiple lines
@@ -131,5 +131,5 @@ Example script
 
    ax2.set_xlim(0, 2*np.pi)
 
-Proposed Color cycle
+Proposed color cycle
 ++++++++++++++++++++
@@ -12,7 +12,7 @@ is expected to abide by our
 The project is hosted on
 https://github.com/matplotlib/matplotlib
 
-Contributor Incubator
+Contributor incubator
 =====================
 
 If you are interested in becoming a regular contributor to Matplotlib, but
@@ -28,7 +28,7 @@ in community work, or get "pre-review" on your PR.
 
 .. _new_contributors:
 
-Issues for New Contributors
+Issues for new contributors
 ---------------------------
 
 While any contributions are welcome, we have marked some issues as
 
@@ -1,7 +1,7 @@
 .. _min_deps_policy:
 
 ======================================
-Minimum Version of Dependencies Policy
+Minimum version of dependencies policy
 ======================================
 
 For the purpose of this document, 'minor version' is in the sense of
@@ -32,7 +32,7 @@ on every major and minor release, but never on a patch release.
 
 See also the :ref:`list-of-dependency-min-versions`.
 
-Python Dependencies
+Python dependencies
 ===================
 
 For Python dependencies we should support at least:
@@ -48,7 +48,7 @@ without complied extensions
 We will only bump these dependencies as we need new features or the old
 versions no longer support our minimum NumPy or Python.
 
-Test and Documentation Dependencies
+Test and documentation dependencies
 ===================================
 
 As these packages are only needed for testing or building the docs and
 
@@ -3,7 +3,7 @@
 .. _release-guide:
 
 =============
-Release Guide
+Release guide
 =============
 
 
@@ -45,8 +45,8 @@ is currently broken::
 
 .. _release_ghstats:
 
-GitHub Stats
-============
+GitHub statistics
+=================
 
 
 We automatically extract GitHub issue, PRs, and authors from GitHub via the
@@ -85,7 +85,7 @@ most common issue is ``*`` which is interpreted as unclosed markup).
 
 .. _release_chkdocs:
 
-Update and Validate the Docs
+Update and validate the docs
 ============================
 
 Merge ``*-doc`` branch
@@ -101,7 +101,7 @@ When making major or minor releases, update the supported versions in the
 Security Policy in :file:`SECURITY.md`.  Commonly, this may be one or two
 previous minor releases, but is dependent on release managers.
 
-Update "What's New" and "API changes"
+Update "What's new" and "API changes"
 -------------------------------------
 
 Before tagging major and minor releases, the "what's new" and "API changes"
@@ -216,7 +216,7 @@ On this branch un-comment the globs from :ref:`release_chkdocs`.  And then ::
 
 .. _release_DOI:
 
-Release Management / DOI
+Release management / DOI
 ========================
 
 Via the `GitHub UI
@@ -308,7 +308,7 @@ Congratulations, you have now done the second scariest part!
 
 .. _release_docs:
 
-Build and Deploy Documentation
+Build and deploy documentation
 ==============================
 
 To build the documentation you must have the tagged version installed, but
 
@@ -1,6 +1,6 @@
 
 =========================
-Documentation Style Guide
+Documentation style guide
 =========================
 
 This guide contains best practices for the language and formatting of Matplotlib
 
@@ -62,7 +62,7 @@ The following actions are typically useful:
    explores how to lead online discussions in the context of open source.
 
 
-Triage Team
+Triage team
 -----------
 
 
 
@@ -1,7 +1,7 @@
 .. _environment-variables:
 
 *********************
-Environment Variables
+Environment variables
 *********************
 
 .. contents::
 
@@ -1,13 +1,13 @@
 .. _resources-index:
 
-*******************
- External Resources
-*******************
+******************
+External resources
+******************
 
 
-=============================
- Books, Chapters and Articles
-=============================
+============================
+Books, chapters and articles
+============================
 
 * `Mastering matplotlib
   <https://www.packtpub.com/big-data-and-business-intelligence/mastering-matplotlib>`_
@@ -33,9 +33,9 @@
   <http://scipython.com/book/chapter-7-matplotlib/>`_
   by Christian Hill
 
-=======
- Videos
-=======
+======
+Videos
+======
 
 * `Plotting with matplotlib <https://www.youtube.com/watch?v=P7SVi0YTIuE>`_
   by Mike Müller
@@ -51,9 +51,9 @@
   <http://shop.oreilly.com/product/0636920046592.do>`_
   by Randal S. Olson
 
-==========
- Tutorials
-==========
+=========
+Tutorials
+=========
 
 * `Matplotlib tutorial <http://www.labri.fr/perso/nrougier/teaching/matplotlib/>`_
   by Nicolas P. Rougier