update about description to be more descriptive (#33)

update about description to be more descriptive (#33)

diff --git a/plugin.rb b/plugin.rb
index 9a0c0de..a1a5dd2 100644
--- a/plugin.rb
+++ b/plugin.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 # name: discourse-graphviz
-# about: Graphviz
+# about: Adds Graphviz capability to Discourse.
 # version: 0.0.1
 # authors: Maja Komel, Joffrey Jaffeux
 # url: https://github.com/discourse/discourse-graphviz

GitHub sha: 57531f571c4c74e5f3d1dcfd5f77260e92b3733a

This commit appears in #33 which was approved by eviltrout. It was merged by eviltrout.