Fix Changelog formatting

Signed-off-by: Ryan Everett <ryan.everett@arm.com>
diff --git a/ChangeLog.d/add-aes-cbc-to-pkcs5-pbes2.txt b/ChangeLog.d/add-aes-cbc-to-pkcs5-pbes2.txt
index 96f48d6..e00c1e0 100644
--- a/ChangeLog.d/add-aes-cbc-to-pkcs5-pbes2.txt
+++ b/ChangeLog.d/add-aes-cbc-to-pkcs5-pbes2.txt
@@ -1,3 +1,3 @@
 Features
    * Add support for using AES-CBC 128, 192, and 256 bit schemes
-     with PKCS#5 PBES2.
\ No newline at end of file
+     with PKCS#5 PBES2.