SPEC in rack-1.5.0 vs SPEC in rack-1.5.1

@@ -51,10 +51,10 @@
                            appropriate HTTP header in the
                            request. See <a href="https://tools.ietf.org/html/rfc3875#section-4.1.18">
                            RFC3875 section 4.1.18</a> for specific behavior.
 In addition to this, the Rack environment must include these
 Rack-specific variables:
-<tt>rack.version</tt>:: The Array [1,1], representing this version of Rack.
+<tt>rack.version</tt>:: The Array representing this version of Rack. See Rack::VERSION, that corresponds to the version of this SPEC.
 <tt>rack.url_scheme</tt>:: +http+ or +https+, depending on the request URL.
 <tt>rack.input</tt>:: See below, the input stream.
 <tt>rack.errors</tt>:: See below, the error stream.
 <tt>rack.multithread</tt>:: true if the application object may be simultaneously invoked by another thread in the same process, false otherwise.
 <tt>rack.multiprocess</tt>:: true if an equivalent application object may be simultaneously invoked by another process, false otherwise.