Where there is no suggestions on spell checker print nothing

lib/dry/cli.rb

@@ -164,7 +164,8 @@ def error(result)
 
     # @since 1.1.1
     def spell_checker(result, arguments)
-      err.puts SpellChecker.call(result, arguments)
+      spell_checker = SpellChecker.call(result, arguments)
+      err.puts spell_checker if spell_checker
       puts
       err.puts Usage.call(result)
       exit(1)

lib/dry/cli/spell_checker.rb

@@ -18,17 +18,22 @@ def self.call(result, arguments)
         output = []
 
         suggestions = DidYouMean::SpellChecker.new(dictionary: commands).correct(cmd.first)
-        output << "I don't know how to '#{cmd.join(' ')}'."
-        output << " Did you mean: '#{suggestions.first}' ?" if suggestions.any?
-
-        output.join("")
+        if suggestions.any?
+          "I don't know how to '#{cmd.join(' ')}'. Did you mean: '#{suggestions.first}' ?"
+        end
       end
 
       # @since 1.1.1
       # @api private
       def self.cmd_to_spell(arguments, result_names)
         arguments - result_names
       end
+
+      # @since 1.1.1
+      # @api private
+      def self.ignore?(cmd)
+        cmd.empty? || cmd.first.start_with?("-")
+      end
     end
   end
 end

spec/integration/inherited_commands_spec.rb

@@ -10,6 +10,7 @@
           based logs APP                  # Display recent log output
           based run APP CMD               # Run a one-off process inside your app
           based subrun APP CMD
+
       OUT
       expect(output).to eq(expected)
     end

spec/integration/rendering_spec.rb

@@ -7,7 +7,6 @@
     _, stderr, = Open3.capture3("foo unknown")
 
     expected = <<~DESC
-      I don't know how to 'unknown'.
       Commands:
         foo assets [SUBCOMMAND]
         foo callbacks DIR                                          # Command with callbacks