bip-0002: Allow non-images in bip-XXXX subdirectory

Author: luke-jr

bip-0002.mediawiki

@@ -175,7 +175,7 @@ BIPs may also have a Superseded-By header indicating that a BIP has been rendere
 
 ====Auxiliary Files====
 
-BIPs may include auxiliary files such as diagrams. Image files should be included in a subdirectory for that BIP. Auxiliary files must be named BIP-XXXX-Y.ext, where "XXXX" is the BIP number, "Y" is a serial number (starting at 1), and "ext" is replaced by the actual file extension (e.g. "png").
+BIPs may include auxiliary files such as diagrams. Auxiliary files should be included in a subdirectory for that BIP, or must be named BIP-XXXX-Y.ext, where "XXXX" is the BIP number, "Y" is a serial number (starting at 1), and "ext" is replaced by the actual file extension (e.g. "png").
 
 ==BIP types==