Refreshed "additional features" docs

docs/additional-features/custom-links.md

@@ -1,6 +1,6 @@
 # Custom Links
 
-Custom links allow users to place arbitrary hyperlinks within NetBox views. These are helpful for cross-referencing related records in external systems. For example, you might create a custom link on the device view which links to the current device in a network monitoring system.
+Custom links allow users to display arbitrary hyperlinks to external content within NetBox object views. These are helpful for cross-referencing related records in systems outside of NetBox. For example, you might create a custom link on the device view which links to the current device in a network monitoring system.
 
 Custom links are created under the admin UI. Each link is associated with a particular NetBox object type (site, device, prefix, etc.) and will be displayed on relevant views. Each link is assigned text and a URL, both of which support Jinja2 templating. The text and URL are rendered with the context variable `obj` representing the current object.
 
@@ -11,7 +11,7 @@ For example, you might define a link like this:
 
 When viewing a device named Router4, this link would render as:
 
-```
+```no-highlight
 <a href="https://nms.example.com/nodes/?name=Router4">View NMS</a>
 ```
 
@@ -23,21 +23,20 @@ Only links which render with non-empty text are included on the page. You can em
 
 For example, if you only want to display a link for active devices, you could set the link text to
 
-```
+```jinja2
 {% if obj.status == 'active' %}View NMS{% endif %}
 ```
 
 The link will not appear when viewing a device with any status other than "active."
 
-Another example, if you want to only show an object of a certain manufacturer, you could set the link text to:
+As another example, if you wanted to show only devices belonging to a certain manufacturer, you could do something like this:
 
-```
-{% if obj.device_type.manufacturer.name == 'Cisco' %}View NMS {% endif %}
+```jinja2
+{% if obj.device_type.manufacturer.name == 'Cisco' %}View NMS{% endif %}
 ```
 
 The link will only appear when viewing a device with a manufacturer name of "Cisco."
 
 ## Link Groups
 
-You can specify a group name to organize links into related sets. Grouped links will render as a dropdown menu beneath a
-single button bearing the name of the group.
+Group names can be specified to organize links into groups. Links with the same group name will render as a dropdown menu beneath a single button bearing the name of the group.