diff --git a/middleman-core/lib/middleman-core/sitemap/page.rb b/middleman-core/lib/middleman-core/sitemap/page.rb
index 8a8fab81..33af034e 100644
--- a/middleman-core/lib/middleman-core/sitemap/page.rb
+++ b/middleman-core/lib/middleman-core/sitemap/page.rb
@@ -6,6 +6,8 @@ module Middleman::Sitemap
     # @return [Middleman::Sitemap::Store]
     attr_accessor :store
     
+    # The source path of this page (relative to the source directory,
+    # without template extensions)
     # @return [String]
     attr_accessor :path
     
@@ -263,4 +265,4 @@ module Middleman::Sitemap
       store.app
     end
   end
-end
\ No newline at end of file
+end
diff --git a/middleman-core/lib/middleman-core/sitemap/store.rb b/middleman-core/lib/middleman-core/sitemap/store.rb
index 8ff847b8..f7f96abf 100644
--- a/middleman-core/lib/middleman-core/sitemap/store.rb
+++ b/middleman-core/lib/middleman-core/sitemap/store.rb
@@ -2,6 +2,11 @@
 module Middleman::Sitemap
   
   # The Store class
+  #
+  # The Store manages a collection of Page objects, which represent
+  # individual items in the sitemap. Pages are indexed by "source path",
+  # which is the path relative to the source directory, minus any template
+  # extensions. All "path" parameters used in this class are source paths.
   class Store
     
     # @return [Middleman::Base]
@@ -26,7 +31,7 @@ module Middleman::Sitemap
     end
     
     # Ignore a path or add an ignore callback
-    # @param [String, Regexp] path
+    # @param [String, Regexp] path, path glob expression, or path regex
     # @return [void]
     def ignore(path=nil, &block)
       if !path.nil? && path.include?("*")
@@ -60,6 +65,7 @@ module Middleman::Sitemap
     end
     
     # Loop over known pages
+    # @yield [path, page]
     # @return [void]
     def each
       @pages.each do |k, v|