--- vim72/runtime/filetype.vim~	2009-10-20 18:35:37.000000000 +0300
+++ vim72/runtime/filetype.vim	2009-10-20 18:36:20.600517648 +0300
@@ -1818,7 +1818,7 @@
 au BufNewFile,BufRead *.sno,*.spt		setf snobol4
 
 " SNMP MIB files
-au BufNewFile,BufRead *.mib,*.my		setf mib
+au BufNewFile,BufRead *.mib,*.my,*/mibs/*.txt		setf mib
 
 " Snort Configuration
 au BufNewFile,BufRead *.hog,snort.conf,vision.conf	setf hog