Minor documentation fix in LeakyConstantDeclaration cop

Author: pirj

lib/rubocop/cop/rspec/leaky_constant_declaration.rb

@@ -47,10 +47,12 @@ module RSpec
       #   end
       #
       #   # good - anonymous class, no constant needs to be defined
-      #   let(:foo_class) do
-      #     Class.new(described_class) do
-      #       def double_that
-      #         some_base_method * 2
+      #   describe SomeClass do
+      #     let(:foo_class) do
+      #       Class.new(described_class) do
+      #         def double_that
+      #           some_base_method * 2
+      #         end
       #       end
       #     end
       #

manual/cops_rspec.md

@@ -1530,10 +1530,12 @@ describe SomeClass do
 end
 
 # good - anonymous class, no constant needs to be defined
-let(:foo_class) do
-  Class.new(described_class) do
-    def double_that
-      some_base_method * 2
+describe SomeClass do
+  let(:foo_class) do
+    Class.new(described_class) do
+      def double_that
+        some_base_method * 2
+      end
     end
   end