diff --git a/.yardopts b/.yardopts
index 696a643..818e211 100644
--- a/.yardopts
+++ b/.yardopts
@@ -9,4 +9,3 @@
 AUTHORS
 UNLICENSE
 VERSION
-CHANGES.md
diff --git a/Gemfile b/Gemfile
index 4744899..9abfa52 100644
--- a/Gemfile
+++ b/Gemfile
@@ -11,7 +11,7 @@ group :development, :test do
   gem 'rdf-turtle',     github: "ruby-rdf/rdf-turtle",      branch: "develop"
   gem 'rdf-vocab',      github: "ruby-rdf/rdf-vocab",       branch: "develop"
   gem 'sxp',            github: "dryruby/sxp.rb",           branch: "develop"
-  gem 'rake',           '~> 10.0'
+  gem 'rake',           '~> 13.0'
   gem 'redcarpet',      '~> 3.2.2' unless RUBY_ENGINE == 'jruby'
   gem 'byebug',         platform: :mri
   gem 'psych',          platforms: [:mri, :rbx]
diff --git a/README.md b/README.md
index a79e2ec..2edff59 100644
--- a/README.md
+++ b/README.md
@@ -18,8 +18,6 @@ losing access to statement-oriented nature of linked data, if you so choose.
 It can be used either to access existing RDF data in a resource-oriented way,
 or to create a new store of RDF data based on simple defaults.
 
-A changelog is available in the {file:CHANGES.md} file.
-
 ### Example
 
 ```ruby
diff --git a/lib/spira/base.rb b/lib/spira/base.rb
index fb2a25c..96e60a9 100644
--- a/lib/spira/base.rb
+++ b/lib/spira/base.rb
@@ -107,12 +107,16 @@ def id
     # Initialize a new Spira::Base instance of this resource class using
     # a new blank node subject.  Accepts a hash of arguments for initial
     # attributes.  To use a URI or existing blank node as a subject, use
-    # {Spira.for} instead.
+    # the `.for` method on the subclass instead.
+    #
+    # @example
+    #   class Person < Spira::Base; end
+    #   bob = Person.for("bob")
     #
     # @param [Hash{Symbol => Any}] props Default attributes for this instance
     # @yield [self] Executes a given block
     # @yieldparam [self] self The newly created instance
-    # @see Spira.for
+    # @see Spira::Persistence::ClassMethods#for
     # @see RDF::URI#as
     # @see RDF::Node#as
     def initialize(props = {}, options = {})
diff --git a/spira.gemspec b/spira.gemspec
index bf1e551..b3e6c85 100755
--- a/spira.gemspec
+++ b/spira.gemspec
@@ -18,7 +18,7 @@ Gem::Specification.new do |gem|
   gem.email              = 'blavender@gmail.com'
 
   gem.platform           = Gem::Platform::RUBY
-  gem.files              = %w(CHANGES.md AUTHORS README.md UNLICENSE VERSION) + Dir.glob('lib/**/*.rb')
+  gem.files              = %w(AUTHORS README.md UNLICENSE VERSION) + Dir.glob('lib/**/*.rb')
   gem.require_paths      = %w(lib)
   gem.has_yardoc         = true if gem.respond_to?(:has_yardoc)