Guardfile in k_doc-0.0.18 vs Guardfile in k_doc-0.0.21

@@ -17,10 +17,10 @@
     watch(rspec.spec_files)
 
     # Ruby files
     ruby = dsl.ruby
     dsl.watch_spec_files_for(ruby.lib_files)
-    watch(%r{^lib/k_doc/(.+)\.rb$}) { |m| "spec/unit/#{m[1]}_spec.rb" }
+    watch(%r{^lib/k_doc/**/(.+)\.rb$}) { |m| "spec/unit/#{m[1]}_spec.rb" }
     watch(%r{^lib/k_doc/commands/(.+)\.rb$}) { |m| "spec/unit/commands/#{m[1]}_spec.rb" }
   end
 
   guard :rubocop, all_on_start: false, cli: ['--format', 'clang'] do
     watch(/{.+\.rb$/)