diff --git a/Config-options.md b/Config-options.md
index 2a9b0dc..0a6c644 100644
--- a/Config-options.md
+++ b/Config-options.md
@@ -93,6 +93,12 @@ bool
 
 If true the instagram ripper will skip videos and only download images
 
+### instagram.session_id
+
+string
+
+The sessionid set when you log into instagram. Setting this will allow you to rip private instagrams that you have access to
+
 ### download.timeout
 
 int