fixed abbreviation FS#2108 / added RFC

conf/acronyms.conf

@@ -71,8 +71,8 @@ MHz          Megahertz
 MIME         Multipurpose Internet Mail Extension
 MIT          Massachusetts Institute of Technology
 MML          Mathematical Markup Language
-MP3          Motion Picture Experts Group Layer 3
-MPEG         Motion Picture Experts Group
+MP3          Moving Picture Experts Group Layer 3
+MPEG         Moving Picture Experts Group
 MSDN         Microsoft Developer Network
 MS           Microsoft
 MSIE         Microsoft Internet Explorer
@@ -101,6 +101,7 @@ POP          Post Office Protocol
 QoS          Quality of Service
 RAID         Redundant Array of Inexpensive Disks
 RDF          Resource Description Framework
+RFC          Request for Comments
 ROTFL        Rolling on the floor laughing
 RPC          Remote Procedure Call
 RSS          Rich Site Summary