diff --git a/doc/CHANGELOG.md b/doc/CHANGELOG.md
index f3d966c6a..ca3dc53eb 100644
--- a/doc/CHANGELOG.md
+++ b/doc/CHANGELOG.md
@@ -86,7 +86,7 @@ SPDX-FileCopyrightText: 2020 Collabora, Ltd. and the Monado contributors
   - Implement support for XR_KHR_composition_layer_equirect (equirect1).
     ([!620](https://gitlab.freedesktop.org/monado/monado/merge_requests/620),
     [!624](https://gitlab.freedesktop.org/monado/monado/merge_requests/624))
-  - comp: Improve thread safety. Resolve issues in mutlithreading CTS.
+  - comp: Improve thread safety. Resolve issues in multithreading CTS.
     ([!645](https://gitlab.freedesktop.org/monado/monado/merge_requests/645))
   - main: Lower priority on sRGB format. This works around a bug in the OpenXR CTS
     and mirrors better what at least on other OpenXR runtime does.
diff --git a/doc/changes/misc_fixes/mr.1861.md b/doc/changes/misc_fixes/mr.1861.md
index 0508a53d8..d8986032f 100644
--- a/doc/changes/misc_fixes/mr.1861.md
+++ b/doc/changes/misc_fixes/mr.1861.md
@@ -1,2 +1,2 @@
 scripts: Add regex based ignores for codespell, needed because the ignore words
-list isn't properely case sensitive.
+list isn't properly case sensitive.
diff --git a/doc/changes/xrt/mr.721.1.md b/doc/changes/xrt/mr.721.1.md
index df57756ef..9ade0644d 100644
--- a/doc/changes/xrt/mr.721.1.md
+++ b/doc/changes/xrt/mr.721.1.md
@@ -1,2 +1,2 @@
 Add `xrt_compositor_fence` interface to handle service and client render
-syncronisation.
+synchronisation.