reword in readme.

remove brackets

README.md

@@ -67,7 +67,9 @@ For a full list of requests refer to [Requests](https://github.com/obsproject/ob
 
 ### Events
 
-Register blocks with the Event client using the `on` method. The event data will be passed to the block.
+Register blocks with the Event client using the `on` method. Event tokens should match the event name but snake cased.
+
+The event data will be passed to the block.
 
 example:
 
@@ -76,10 +78,10 @@ class Observer
     def initialize
         @e_client = OBSWS::Events::Client.new(host: "localhost", port: 4455, password: "strongpassword")
         # register blocks on event types.
-        @e_client.on(:current_program_scene_changed) do |data|
+        @e_client.on :current_program_scene_changed do |data|
           ...
         end
-        @e_client.on(:input_mute_state_changed) do |data|
+        @e_client.on :input_mute_state_changed do |data|
           ...
         end
     end

examples/events/main.rb

@@ -6,16 +6,16 @@ class Main
     @r_client = OBSWS::Requests::Client.new(**kwargs)
     @e_client = OBSWS::Events::Client.new(**kwargs)
 
-    @e_client.on(:current_program_scene_changed) do |data|
+    @e_client.on :current_program_scene_changed do |data|
       puts "Switched to scene #{data.scene_name}"
     end
-    @e_client.on(:scene_created) do |data|
+    @e_client.on :scene_created do |data|
       puts "scene #{data.scene_name} has been created"
     end
-    @e_client.on(:input_mute_state_changed) do |data|
+    @e_client.on :input_mute_state_changed do |data|
       puts "#{data.input_name} mute toggled"
     end
-    @e_client.on(:exit_started) do
+    @e_client.on :exit_started do
       puts "OBS closing!"
       @r_client.close
       @e_client.close

examples/levels/main.rb

@@ -14,12 +14,12 @@ class Main
     subs = OBSWS::Events::SUBS::LOW_VOLUME | OBSWS::Events::SUBS::INPUTVOLUMEMETERS
     @e_client = OBSWS::Events::Client.new(subs:, **kwargs)
 
-    @e_client.on(:input_mute_state_changed) do |data|
+    @e_client.on :input_mute_state_changed do |data|
       if data.input_name == DEVICE
         puts "#{DEVICE} mute toggled"
       end
     end
-    @e_client.on(:input_volume_meters) do |data|
+    @e_client.on :input_volume_meters do |data|
       fget = ->(x) { (x > 0) ? (20 * Math.log(x, 10)).round(1) : -200.0 }
 
       data.inputs.each do |d|