diff --git a/data/SYNTAX b/data/SYNTAX.rdoc
similarity index 98%
rename from data/SYNTAX
rename to data/SYNTAX.rdoc
index b870253..617ac0a 100644
--- a/data/SYNTAX
+++ b/data/SYNTAX.rdoc
@@ -11,7 +11,7 @@ Holidays are grouped by month from 1 through 12.  Each entry within a month can
 
 ===== Dates defined by a fixed date (e.g. January 1st) 
 
-[<tt>wday</tt>]  Integer representing day of the month (1 through 31).
+[<tt>mday</tt>]  Integer representing day of the month (1 through 31).
 
 For example, the following holiday is on the first of January and available in the <tt>ca</tt>, <tt>us</tt> and <tt>au</tt> regions.
 
diff --git a/rakefile.rb b/rakefile.rb
index 618f857..1e3dca9 100644
--- a/rakefile.rb
+++ b/rakefile.rb
@@ -36,7 +36,7 @@ Rake::RDocTask.new(:rdoc) do |rdoc|
   rdoc.options << '--all' << '--inline-source' << '--line-numbers'
   rdoc.options << '--charset' << 'utf-8'
   rdoc.rdoc_files.include('README.rdoc')
-  rdoc.rdoc_files.include('data/SYNTAX')
+  rdoc.rdoc_files.include('data/SYNTAX.rdoc')
   rdoc.rdoc_files.include('lib/holidays/MANIFEST')
   rdoc.rdoc_files.include('REFERENCES')
   rdoc.rdoc_files.include('CHANGELOG')