Documentation fix (#226)

Author: bkryza

docs/interactive_svg_diagrams.md

@@ -17,7 +17,11 @@ elements simply add this to your `.clang-uml` file:
 ```yaml
 generate_links:
   link: 'https://github.com/myorg/myrepo/blob/{{ git.commit }}/{{ element.source.path }}#L{{ element.source.line }}'
-  tooltip: '{% if "comment" in element %}{{ abbrv(trim(replace(element.comment, "\n+", " ")), 256) }}{% else %}{{ element.name }}{% endif %}'
+  tooltip: '{% if "comment" in element %}{{ abbrv(trim(replace(element.comment.formatted, "\n+", " ")), 256) }}{% else %}{{ element.name }}{% endif %}'
 ```
 
-You can open example diagram [here](https://raw.githubusercontent.com/bkryza/clang-uml/master/docs/test_cases/t00014_class.svg) to see how it works in action.
+You can open example diagram [here](https://raw.githubusercontent.com/bkryza/clang-uml/master/docs/test_cases/t00014_class.svg) to see how it works in action.
+
+Full documentation on how to use the [inja](https://github.com/pantor/inja)
+template engine in `clang-uml` configuration files can be found
+[here](./jinja_templates.md).