diff --git a/doc/source/changelog.rst b/doc/source/changelog.rst
index 594e8d35c..cff943841 100644
--- a/doc/source/changelog.rst
+++ b/doc/source/changelog.rst
@@ -7,7 +7,7 @@ Change-log of versions
 
 2023.01 16/01/2023
 ------------------
-- Developper and packager tools:
+- Developer and packager tools:
     + Switch build system from ``numpy.distutils`` to ``meson-python``
     + Keep the former ``setup.py`` for compatibility reasons: it will be removed in a future release
     + Drop Python 3.6 (default parameters in namedtuple feature used)
@@ -28,7 +28,7 @@ Change-log of versions
     + Export peakfinder data to the CXI format (used by CrystFEL)
 - Improvement in the doc:
     + Update installation instructions
-    + Multithreaded integration tutorial
+    + Multi-threaded integration tutorial
     + GPU implementation tutorial
 - Facts and figures:
     + 400+ commits, 100 PR