1 files changed, 4 insertions, 0 deletions
diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index 764db6d..fe44e89 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -1,3 +1,7 @@
+# 40
+
+* Update encyclopedia topic 'physics';
+
 # 3F
 
 * Fix errors on the encyclopedia topic 'physics';