Capitalize MMC-3.

docs/formats.txt

@@ -398,10 +398,10 @@ comma seperated list of integers in the range 0-255.
 CD-TEXT
 =======
 
-mmc-3_ specifies 16 CD-TEXT types.  Three are reserved and have no
+MMC-3_ specifies 16 CD-TEXT types.  Three are reserved and have no
 corresponding keywords.  One is shared; the keyword depends on whether it is
 for the disc (``UPC_EAN``) or a track (``ISRC``).  CD-TEXT entries are either
-character or binary data.  All descriptions taken from mmc-3_.
+character or binary data.  All descriptions taken from MMC-3_.
 
 Keywords
 --------
@@ -509,5 +509,5 @@ MSF format
 frame
 	1/75 of a second.
 
-.. _mmc-3: ftp://ftp.t10.org/t10/drafts/mmc3/
+.. _MMC-3: ftp://ftp.t10.org/t10/drafts/mmc3/
 .. _cdrtools: http://www.fokus.gmd.de/research/cc/glone/employees/joerg.schilling/private/cdrecord.html