diff --git a/README.md b/README.md
index f392523..1c13ce6 100644
--- a/README.md
+++ b/README.md
@@ -21,10 +21,18 @@ Then you need to check if ``libssl1.0-dev`` had been installed properly. If you
 
 ## Usage
 
-		./httpdirfs -f $URL $YOUR_MOUNT_POINT
+	./httpdirfs -f $URL $YOUR_MOUNT_POINT
 
 An example URL would be [Debian CD Image Server](https://cdimage.debian.org/debian-cd/). The ``-f`` flag keeps the program in the foreground, which is useful for monitoring which URL the filesystem is visiting. 
 
+Other useful options:
+
+	-u   --user            HTTP authentication username
+    	-p   --password        HTTP authentication password
+    	-P   --proxy           Proxy for libcurl, for more details refer to
+				https://curl.haxx.se/libcurl/c/CURLOPT_PROXY.html
+
+
 ## SSL Support
 
 If you run the program in the foreground, when it starts up, it will output the SSL engine version string. Please verify that your libcurl is linked against OpenSSL, as the pthread mutex functions are designed for OpenSSL.