diff --git a/lib/puppet-strings.rb b/lib/puppet-strings.rb
index 75567f9..1e0bfe7 100644
--- a/lib/puppet-strings.rb
+++ b/lib/puppet-strings.rb
@@ -14,9 +14,9 @@ module PuppetStrings
   # @option options [Boolean] :debug Enable YARD debug output.
   # @option options [Boolean] :backtrace Enable YARD backtraces.
   # @option options [String] :markup The YARD markup format to use (defaults to 'markdown').
-  # @option options [String] :format Specify output format (markdown or json)
   # @option options [String] :path Write the selected format to a file path
-  # @option options [Boolean] :stdout Use this switch to pipe the selected format to STDOUT
+  # @option options [Boolean] :markdown From the --format option, is the format Markdown?
+  # @option options [Boolean] :json Is the format JSON?
   # @option options [Array<String>] :yard_args The arguments to pass to yard.
   # @return [void]
   def self.generate(search_patterns = DEFAULT_SEARCH_PATTERNS, options = {})
diff --git a/lib/puppet/face/strings.rb b/lib/puppet/face/strings.rb
index d86e895..578b681 100644
--- a/lib/puppet/face/strings.rb
+++ b/lib/puppet/face/strings.rb
@@ -111,9 +111,9 @@ Puppet::Face.define(:strings, '0.0.1') do
       generate_options[:path] = options[:out] if options[:out]
       generate_options[:stdout] = options[:stdout]
       format = options[:format] || ""
-      if format.casecmp('markdown') == 0
+      if format.casecmp('markdown').zero?
         generate_options[:markdown] = true
-      elsif format.casecmp('json') == 0 || options[:emit_json] || options[:emit_json_stdout]
+      elsif format.casecmp('json').zero? || options[:emit_json] || options[:emit_json_stdout]
         generate_options[:json] = true
       end
     end