Reorder hiera() changelog not to correct heading

Author: tylerjl

CHANGELOG.md

@@ -4,6 +4,7 @@
 * Support for Puppet 6
 
 #### Fixes
+* Resolved an issue arising from the use of `hiera()` in Hiera yaml data files.
 
 ## 6.3.4 (August 7, 2019)
 
@@ -17,7 +18,6 @@ Puppet 4.10.0 is the new minimum required version of Puppet.
 * Plugin configuration files are now more well-supported by respecting subdirectory copy recursion. See `elasticsearch::configdir_recurselimit` for more information.
 * An error related to elasticsearch_roles and `yield` errors has been fixed
 * Correctly permit instances to be set to `absent` without errors.
-* Resolved an issue arising from the use of `hiera()` in Hiera yaml data files.
 
 ## 6.3.3 (September 7, 2018)