diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ce006d0..96af8d4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -2,11 +2,11 @@ name: CI
 
 # Controls when the action will run.
 on:
-  # Triggers the workflow on push or pull request events but only for the master branch
+  # Triggers the workflow on push or pull request events but only for the default branch
   push:
-    branches: [ master ]
+    branches: [ main ]
   pull_request:
-    branches: [ master ]
+    branches: [ main ]
 
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch:
diff --git a/.gitignore b/.gitignore
index e78553e..ba41b8e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,5 @@
 #
-# Source: https://github.com/github/gitignore/blob/master/Python.gitignore
+# Source: https://github.com/github/gitignore/blob/main/Python.gitignore
 #
 
 # Byte-compiled / optimized / DLL files
diff --git a/data/io.github.mightycreak.Diffuse.appdata.xml.in b/data/io.github.mightycreak.Diffuse.appdata.xml.in
index 77b21b9..0e8a480 100644
--- a/data/io.github.mightycreak.Diffuse.appdata.xml.in
+++ b/data/io.github.mightycreak.Diffuse.appdata.xml.in
@@ -23,11 +23,11 @@
 
   <screenshots>
     <screenshot type="default">
-      <image type="source">https://github.com/MightyCreak/diffuse/raw/master/docs/images/screenshot_v0.7.7_main_window.png</image>
+      <image type="source">https://github.com/MightyCreak/diffuse/raw/main/docs/images/screenshot_v0.7.7_main_window.png</image>
       <caption>Main window</caption>
     </screenshot>
     <screenshot>
-      <image type="source">https://github.com/MightyCreak/diffuse/raw/master/docs/images/screenshot_v0.7.7_about_window.png</image>
+      <image type="source">https://github.com/MightyCreak/diffuse/raw/main/docs/images/screenshot_v0.7.7_about_window.png</image>
       <caption>About window</caption>
     </screenshot>
   </screenshots>
diff --git a/docs/developers/release-process.md b/docs/developers/release-process.md
index 60f91f6..cb33063 100644
--- a/docs/developers/release-process.md
+++ b/docs/developers/release-process.md
@@ -39,19 +39,19 @@ few manual steps.
    - Release title: the tag (e.g. `v1.2.3`)
    - Description:
      - For the first paragraph, paste the first paragraph from the release notes
-     - For the second paragraph, got to [CHANGELOG.md](https://github.com/MightyCreak/diffuse/blob/master/CHANGELOG.md)
+     - For the second paragraph, got to [CHANGELOG.md](https://github.com/MightyCreak/diffuse/blob/main/CHANGELOG.md)
        and copy the URL anchor to the new release, then add this sentence
        (adapt the changelog link):  
        > For a more detailed list of changes, see the
-       > [changelog](https://github.com/MightyCreak/diffuse/blob/master/CHANGELOG.md#xyz---yyyy-mm-dd).
+       > [changelog](https://github.com/MightyCreak/diffuse/blob/main/CHANGELOG.md#xyz---yyyy-mm-dd).
 3. Publish release
 
 ## Create new release on Flatpak
 
-1. Clone the Flathub repository: https://github.com/flathub/io.github.mightycreak.Diffuse
+1. Clone the Flathub repository: <https://github.com/flathub/io.github.mightycreak.Diffuse>
 2. Copy the contents of Diffuse's `io.github.mightycreak.Diffuse.yml` to Flathub's
 3. Keep Flathub's `config-opts` and `sources` sections
 4. In `sources` section, change the `commit` and `tag`
 5. Create commit with changes and push to `master`
-6. Check the build on Flathub: https://flathub.org/builds/
+6. Check the build on Flathub: <https://flathub.org/builds/>
 7. When it's done and successful, publish the build