diff --git a/REFERENCE-startup.md b/REFERENCE-startup.md
index 221d4bf..16caac3 100644
--- a/REFERENCE-startup.md
+++ b/REFERENCE-startup.md
@@ -16,6 +16,7 @@ This script will ask users about their prefrences like disk, file system, timezo
 * [timezone()](#timezone)
 * [keymap()](#keymap)
 * [drivessd()](#drivessd)
+* [manualpart()](#manualpart)
 * [diskpart()](#diskpart)
 * [userinfo()](#userinfo)
 * [aurhelper()](#aurhelper)
@@ -75,9 +76,13 @@ Set user's keyboard mapping.
 
 Choose whether drive is SSD or not.
 
+## manualpart()
+
+Select a Disk to open in cfdisk to create or modify partitions manually.
+
 ## diskpart()
 
-Disk selection for drive to be used with installation.
+Disk drive or partition selection to which Arch will be installed.
 
 ## userinfo()