Fix ChangeLog format error

Signed-off-by: Harry Ramsey <harry.ramsey@arm.com>
diff --git a/ChangeLog.d/split-numeric-string-conversions-out-of-the-oid-module.txt b/ChangeLog.d/split-numeric-string-conversions-out-of-the-oid-module.txt
index 2ccd39f..938e9ec 100644
--- a/ChangeLog.d/split-numeric-string-conversions-out-of-the-oid-module.txt
+++ b/ChangeLog.d/split-numeric-string-conversions-out-of-the-oid-module.txt
@@ -1,4 +1,4 @@
 Changes
-	 * Functions regarding numeric string conversions for OIDs have been moved
-		 from the OID module and now reside in X.509 module. This helps to reduce
-		 the code size as these functions are not commonly used outside of X.509.
+   * Functions regarding numeric string conversions for OIDs have been moved
+     from the OID module and now reside in X.509 module. This helps to reduce
+     the code size as these functions are not commonly used outside of X.509.