Corretta dimenticanza nell'help

diff --git a/spidy.py b/spidy.py
index 048cf51..51bc6d6 100755
--- a/spidy.py
+++ b/spidy.py
@@ -250,7 +250,9 @@ if __name__ == "__main__":
                       help="Number of pages to analyze", default=1000)
     parser.add_option("-m", "--max-steps", dest="max_steps", action="store",
                       help="Max steps to walk from the starting page", default=5)
-    parser.add_option("-s", "--start-page", dest="start_page", default="http://poisson.phc.unipi.it",
+    parser.add_option("-s", "--start-page", dest="start_page",
+                      default="http://poisson.phc.unipi.it",
+                      help="Starting page for all the crawlers",
                       action="store")