diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index 73feb9624a..754613fca0 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -49,6 +49,7 @@ Changelog
  * Fix: Ampersands in embed URLs within rich text are no longer double-escaped (Matt Westcott)
  * Fix: Using RGBA images no longer crashes with Pillow >= 4.2.0 (Karl Hobley)
  * Fix: Copying a page with PostgreSQL search enabled no longer crashes (Bertrand Bordage)
+ * Fix: Style of the page unlock button was broken (Bertrand Bordage)
 
 
 1.13.1 (17.11.2017)
diff --git a/docs/releases/2.0.rst b/docs/releases/2.0.rst
index 1d082dc87a..dc0c0a2ae7 100644
--- a/docs/releases/2.0.rst
+++ b/docs/releases/2.0.rst
@@ -67,6 +67,7 @@ Bug fixes
  * Ampersands in embed URLs within rich text are no longer double-escaped (Matt Westcott)
  * Using RGBA images no longer crashes with Pillow >= 4.2.0 (Karl Hobley)
  * Copying a page with PostgreSQL search enabled no longer crashes (Bertrand Bordage)
+ * Style of the page unlock button was broken (Bertrand Bordage)
 
 
 Upgrade considerations