diff --git a/COPYING.MIT b/COPYING.MIT
index 3de397c..ea19713 100644
--- a/COPYING.MIT
+++ b/COPYING.MIT
@@ -1,5 +1,5 @@
 Note: for details on which portions of this application are covered by this
-license, please see the README file. Other included components have LICENSE
+license, please see the README.md file. Other included components have LICENSE
 notices within (or in files adjacent to) the distributed files.
 
 Portions copyright (C) 2013-2019 Intel Corporation.
diff --git a/Dockerfile b/Dockerfile
index 8e6e508..4ba040e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-# See README for how to use this.
+# See README.md for how to use this.
 
 FROM ubuntu:jammy
 LABEL maintainer="Michael Halstead <mhalstead@linuxfoundation.org>"
diff --git a/README.devel.md b/README.devel.md
index 31460ef..ae41c8c 100644
--- a/README.devel.md
+++ b/README.devel.md
@@ -3,7 +3,7 @@ Standalone Setup
 
 NOTE: The standalone setup is most suitable for development and is not
 recommended for production; for production use the Docker-based setup
-covered in the main README.
+covered in the main README.md.
 
 In order to run this application standalone, you will need:
 
diff --git a/README.md b/README.md
index 49ce4d3..32572c5 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ There are two main methods of setting up this application - within
 a set of Docker containers, or standalone. The Docker-based setup
 is more suited for production whereas standalone is a bit easier
 for development. This document will consider only the Docker-based
-setup; for standalone please see README.devel.
+setup; for standalone please see README.devel.md.
 
 
 Docker Setup
@@ -102,7 +102,7 @@ Other settings the app and celery files can set:
 
   - DEBUG: 1, true or yes enables Django's debug mode; anything else, or
     leaving it unset, keeps it off. Never enable it on a public site.
-  - ENABLE_RRS: 1 enables the Recipe Reporting System (see README.rrs).
+  - ENABLE_RRS: 1 enables the Recipe Reporting System (see README.rrs.md).
   - DATABASE_PORT (default 3306) and STATIC_ROOT (default
     /usr/share/nginx/html/static/).
 
diff --git a/README.rrs.md b/README.rrs.md
index a311adf..b6e3724 100644
--- a/README.rrs.md
+++ b/README.rrs.md
@@ -15,7 +15,7 @@ This requirement may be removed in future.
 
 Setup procedure:
 
-1. Follow the layer index setup instructions in the README file first.
+1. Follow the layer index setup instructions in the README.md file first.
    The openembedded-core layer (or whatever replacement you have pointed
    CORE_LAYER_NAME to in settings.py) must be present in order to run the
    Recipe Reporting System database migrations.
@@ -24,7 +24,7 @@ Setup procedure:
 
    * Add 'rrs' to INSTALLED_APPS. In the Docker-based setup, set
      ENABLE_RRS=1 in the app and celery environment files instead (see
-     "Environment files" in README)
+     "Environment files" in README.md)
 
    * Configure TOOLS_LOG_DIR if you wish the logs to be written somewhere
      other than the current directory when the scripts are run
diff --git a/SECURITY.md b/SECURITY.md
index 20a28a9..7d2ce1f 100644
--- a/SECURITY.md
+++ b/SECURITY.md
@@ -5,7 +5,7 @@ If you would like to report a public issue (for example, one with a released
 CVE number), please report it using the
 [https://bugzilla.yoctoproject.org/enter_bug.cgi?product=Security Security Bugzilla].
 If you have a patch ready, submit it following the same procedure as any other
-patch as described in README.
+patch as described in README.md.
 
 If you are dealing with a not-yet released or urgent issue, please send a
 message to security AT yoctoproject DOT org, including as many details as