Improve template

Author: Simran-B

_includes/aql-optimizer-rules.md

@@ -3,23 +3,27 @@
 {% if rule.flags.hidden == false -%}
 #### `{{ rule.name }}`
 
-{% if rule.flags.enterpriseOnly %}
+{% if rule.flags.enterpriseOnly -%}
 _Enterprise Edition only_
 {% endif %}
 
-{{ rule.description }}
-
 {% if rule.flags.disabledByDefault -%}
 This rule is disabled by default.
 {% endif %}
 
 {% if rule.flags.canBeDisabled == false -%}
-This is not an optimization and cannot be turned off.
+This rule cannot be turned off.
 {% endif %}
 
 {% if rule.flags.clusterOnly -%}
 Only available in cluster deployments.
 {% endif %}
 
+{{ rule.description }}
+
+{% if forloop.last %}{% else %}
+---
+{% endif -%}
+
 {% endif -%}
 {% endfor -%}