put whitespace back

Signed-off-by: Ryan Dawson <ryan.dawson@alfresco.com>

docs/chart_best_practices/templates.md

@@ -73,7 +73,7 @@ Blocks (such as control structures) may be indented to indicate flow of the temp
 ```
 {{ if $foo -}}
   {{- with .Bar }}Hello{{ end -}}
-{{- end -}}
+{{- end -}} 
 ```
 
 However, since YAML is a whitespace-oriented language, it is often not possible for code indentation to follow that convention.