releasenotes_template.rst: Reflow remark for controls section

Author: t-b

Packages/doc/releasenotes_template.rst

@@ -4,8 +4,9 @@ Release X.Y
 Controls
 --------
 
-All added, removed or renamed controls of the main GUIs are listed. These lists are intended to help upgrading the JSON
-configuration files. Controls, like GroupBox'es, which can not be read/written with the configuration code are not included.
+All added, removed or renamed controls of the main GUIs are listed. These lists are intended to help upgrading
+the JSON configuration files. Controls, like GroupBox'es, which can not be read/written with the configuration
+code are not included.
 
 AnalysisBrowser
 ~~~~~~~~~~~~~~~