Update actions.adoc

Part of apache#4545 issue
Action Plugins page updated with valid title.

docs/hop-user-manual/modules/ROOT/pages/workflow/actions.adoc

@@ -17,12 +17,12 @@ under the License.
 :description: Actions are used the objects that are executed in a workflow. They are logical operators that do not manipulate your data but create actions that have to be performed around your pipelines.
 
 [[actions-plugins]]
-== Action Plugins
+= Action Plugins
 
 Actions are used the objects that are executed in a workflow. They are logical operators that do not manipulate your data but create actions that have to be performed around your pipelines.
 
 Actions in a workflow typically do not process your data, nor do they pass on data to the next action. When an action finishes running, it returns a true or false error code that can be used to drive the workflows behavior through true/false or unconditional (ignore exit code) workflows hops.
 
 // tag::website-links[]
 
-// end::website-links[]
+// end::website-links[]