--- a/README	Mon Mar 19 13:56:47 2012 +0200
+++ b/README	Mon Mar 19 13:59:34 2012 +0200
@@ -5,6 +5,36 @@
 
     `update` also shows and commits changes in settings/ data.
 
+    -d
+        Do data operations under given dir-root, as opposed to CWD.
+
+    -q
+        Quiet. No log messages. XXX: still outputs diffs, though..
+
+    -vDV
+        Increasing logging verbosity.
+
+    -p
+        Show diffs for changed output.
+
+    -F
+        Force-update output files, even if newer than input files.
+
+    -S
+        Do not generate new serials for zones.
+
+    -n
+        Fake-update; show changes, but don't actually commit/deploy them.
+
+    -C
+        Do not commit source changes.
+
+    -c
+        Force-commit source changes, even though -n
+
+    -m
+        Commit message for source changes; optional
+
 bin/update-serial:
     Increment DNS SOA record serials in the given .serial files.