Doc typo

[Olle Jonsson]

Hi developers,

I am using the MacPorts version of 1.4 of taglib, and reading the  
header files, found two small typos. (Since it's not an SVN checkout,  
I didn't take the time to make a smart diff. But, here goes.

ciao,
   Olle

---

in include/taglib/tag.h:
Tag->setComment()'s docstring is currently:

    Sets the album to \a s...

Should be:

    Sets the comment to \a s...


---

in include/taglib/tag_c.h:

line 227, in docstring for taglib_audioproperties_length()

Returns the lenght
=>
Returns the length