Note known whitespace bug with spec tests.

README.markdown

@@ -83,10 +83,12 @@ Known Issues
 
  * Things get weird when you change delimiters inside a section -- `delimiters` example currently fails with an
    "unclosed section" exception.
+ * The current spec test exposes several whitespace bugs (which are mostly instances of the exact same whitespace
+   bug) ... Despite these failing tests, this version is actually *closer* to correct than previous releases.
 
 
 See Also
 --------
 
  * [Readme for the Ruby Mustache implementation](http://github.com/defunkt/mustache/blob/master/README.md).
- * [mustache(1)](http://defunkt.github.com/mustache/mustache.1.html) and [mustache(5)](http://defunkt.github.com/mustache/mustache.5.html) man pages.
+ * [mustache(1)](http://defunkt.github.com/mustache/mustache.1.html) and [mustache(5)](http://defunkt.github.com/mustache/mustache.5.html) man pages.