bup-index.md: indicate that non-rx --exclude paths are taken literally.

Signed-off-by: Rob Browning <rlb@defaultvalue.org>

diff --git a/Documentation/bup-index.md b/Documentation/bup-index.md
index 29576e77afa4ebd001e97be8823f06e10f98dfd0..f804a7995253f4ed13f3ae754083a11e31368b64 100644 (file)
--- a/Documentation/bup-index.md
+++ b/Documentation/bup-index.md
@@ -146,12 +146,12 @@ does, due to the accommodations described above.
     `$BUP_DIR/bupindex`.
 
 \--exclude=*path*
-:   a path to exclude from the backup (can be used more
-    than once)
+:   exclude *path* from the backup; *path* is not expanded in any
+    way (can be used more than once).
 
 \--exclude-from=*filename*
-:   a file that contains exclude paths (can be used more
-    than once)
+:   read --exclude paths from *filename*, one path per-line (can be
+    used more than once).
 
 \--exclude-rx=*pattern*
 :   exclude any path matching *pattern*, which must be a Python regular