-O clarification
diff --git a/docs/curl.1 b/docs/curl.1
index 4dc8f04..515356f 100644
--- a/docs/curl.1
+++ b/docs/curl.1
@@ -628,6 +628,9 @@
 Write output to a local file named like the remote file we get. (Only the file
 part of the remote file is used, the path is cut off.)
 
+The remote file name to use for saving is extracted from the given URL.
+Nothing else
+
 You may use this option as many times as you have number of URLs.
 .IP "--pass <phrase>"
 (SSL) Pass phrase for the private key