diff --git a/CHANGELOG.md b/CHANGELOG.md
index 19385029..346c38c7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+* Consider `<center>` as a block-level element.
+
+  Refs #702.
+
+  *momijizukamori*
+
 * Properly provide a third argument to the `table_cell` callback indicating
   whether the current cell is part of the header or not.