small doc update

diff --git a/ex b/ex
index f944f6556f50004f8eab4e005405a8f043c5c0d9..c99cd12abe83a35eb118fc0c622df16fb608f3f7 100755 (executable)
--- a/ex
+++ b/ex
@@ -15,8 +15,9 @@
 
 ex() {
     local help="Usage: ex [--help] FILE...
-Extract each FILE according to its extension.
-7z bz2 deb gz iso dsc rar rpm tar xz zip & some combinations.
+Extract many types of files based on their extensions
+
+7z bz2 deb gz iso dsc rar rpm tar xz zip sfs & some combinations.
 See source for exact file extensions.
 Note: apt-get install dtrx will do the same for
 most of these types, plus some more, I'm going