diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index 04b7d1e6b1..3004dadbbe 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -58,6 +58,7 @@ Changelog
  * Fix: Copying a page with PostgreSQL search enabled no longer crashes (Bertrand Bordage)
  * Fix: Style of the page unlock button was broken (Bertrand Bordage)
  * Fix: Admin search no longer floods browser history (Bertrand Bordage)
+ * Fix: Version comparison now handles custom primary keys on inline models correctly (LB (Ben Johnston))
 
 
 1.13.1 (17.11.2017)
diff --git a/docs/releases/2.0.rst b/docs/releases/2.0.rst
index 5260fb3887..542a318b32 100644
--- a/docs/releases/2.0.rst
+++ b/docs/releases/2.0.rst
@@ -76,6 +76,7 @@ Bug fixes
  * Copying a page with PostgreSQL search enabled no longer crashes (Bertrand Bordage)
  * Style of the page unlock button was broken (Bertrand Bordage)
  * Admin search no longer floods browser history (Bertrand Bordage)
+ * Version comparison now handles custom primary keys on inline models correctly (LB (Ben Johnston))
 
 
 Upgrade considerations