Update lib/puppet/functions/stdlib/nested_values.rb

Co-authored-by: Alexander Fisher <alex@linfratech.co.uk>

Author: Ramesh7

lib/puppet/functions/stdlib/nested_values.rb

@@ -13,7 +13,7 @@
 #   #Output : ["value1", "value2.1", "value3"]
 Puppet::Functions.create_function(:'stdlib::nested_values') do
   # @param options A (nested) hash
-  # @return [Data]
+  # @return All the values found in the input hash included those deeply nested.
   dispatch :nested_values do
     param 'Hash', :options
     return_type 'Array'