Add missing spaces to rubocop information

lib/bundler/cli/gem.rb

@@ -125,9 +125,9 @@ def run
       end
 
       if ask_and_set(:rubocop, "Do you want to add rubocop as a dependency for gems you generate?",
-        "RuboCop is a static code analyzer that has out-of-the-box rules for many" \
-        "of the guidelines in the community style guide." \
-        "For more information, see the RuboCop docs (https://rubocop.readthedocs.io/en/latest/)" \
+        "RuboCop is a static code analyzer that has out-of-the-box rules for many " \
+        "of the guidelines in the community style guide. " \
+        "For more information, see the RuboCop docs (https://rubocop.readthedocs.io/en/latest/) " \
         "and the Ruby Style Guides (https://github.com/bbatsov/ruby-style-guide).")
         config[:rubocop] = true
         Bundler.ui.info "RuboCop enabled in config"