diff --git a/README.md b/README.md
index c68df04..d83da49 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ Usage
 -----
 
 ```
-kitsune [--match-filename pattern] [paths]
+kitsune [--match-filename pattern] [--start] [paths]
 ```
 
 There are zero or more paths. If 0 paths are provided, "." (the current
@@ -26,10 +26,13 @@ any new file matching pattern will also added.
 pattern is a standard shell glob pattern (as implemented by Pythons
 fnmatch module).
 
-The output contains of the file name, a timestamp and the contents of
-each line for each line in the watched files. It pads the file names to
-the length of the longest file name seen so far, so the three columns
-should line up nicely.
+By default, kitsune will print only content added after program start.
+The `--start` option will dump each file from the beginning.
+
+The output contains of the file name, a timestamp, a deletion indicator
+and the contents of each line for each line in the watched files. It
+pads the file names to the length of the longest file name seen so far,
+so the three columns should line up nicely.
 
 Name
 ----
diff --git a/kitsune b/kitsune
index a383a64..231e2d4 100755
--- a/kitsune
+++ b/kitsune
@@ -88,9 +88,13 @@ def watch(args):
 
 if __name__ == "__main__":
     ap = argparse.ArgumentParser()
-    ap.add_argument("--start", action='store_true')
-    ap.add_argument("--match-filename")
-    ap.add_argument("files", nargs="*", default=["."])
+    ap.add_argument("--start", action='store_true',
+                    help="dump existing files from the start")
+    ap.add_argument("--match-filename",
+                    help="follow only matching files in directories",
+                    metavar="GLOB-PATTERN")
+    ap.add_argument("files", nargs="*", default=["."],
+                    metavar="file")
     args = ap.parse_args()
 
     watch(args)