Change message for client_credentials conversion

Author: ThisIsMissEm

lib/doorkeeper/config.rb

@@ -90,7 +90,7 @@ def client_credentials(*methods)
         }.reject(&:nil?)
 
         if client_authentication.empty?
-          Kernel.warn("[DOORKEEPER] No known client_credentials method detected, ignoring option")
+          Kernel.warn("[DOORKEEPER] No known client_credentials method detected, cannot automatically convert to client_authentication option")
         else
           @config.instance_variable_set(:@client_credentials_methods, client_authentication.concat([:none]))
         end

spec/lib/config_spec.rb

@@ -296,7 +296,7 @@
         /\[DOORKEEPER\] Unknown client_credentials method detected: from_digest/,
       ).once
       expect(Kernel).to receive(:warn).with(
-        /\[DOORKEEPER\] No known client_credentials method detected, ignoring option/
+        /\[DOORKEEPER\] No known client_credentials method detected, cannot automatically convert to client_authentication option/
       ).once
 
       Doorkeeper.configure do
@@ -313,7 +313,7 @@
         /\[DOORKEEPER\] Unknown client_credentials method detected, received callable block/,
       ).once
       expect(Kernel).to receive(:warn).with(
-        /\[DOORKEEPER\] No known client_credentials method detected, ignoring option/
+        /\[DOORKEEPER\] No known client_credentials method detected, cannot automatically convert to client_authentication option/
       ).once
 
       Doorkeeper.configure do