DEV: update doc as current would raise

DEV: update doc as current would raise

diff --git a/lib/plugin/instance.rb b/lib/plugin/instance.rb
index de1c833..c342324 100644
--- a/lib/plugin/instance.rb
+++ b/lib/plugin/instance.rb
@@ -840,7 +840,7 @@ class Plugin::Instance
   #   methods: :get,
   #   actions: "mycontroller#myaction",
   #   formats: :ics,
-  #   parameters: :testparam
+  #   params: :testparam
   # )
   #
   # The scope registered would be `discourse-awesome-plugin:read_my_route`

GitHub sha: ed9e63b00e595f85c618e67e295718fea52be7fd

This commit appears in #13841 which was approved by tgxworld. It was merged by tgxworld.