diff --git a/nselib/nmap.luadoc b/nselib/nmap.luadoc
index 487bdd95c..72c4f978c 100644
--- a/nselib/nmap.luadoc
+++ b/nselib/nmap.luadoc
@@ -120,6 +120,17 @@ function get_interface_info(interface_name)
 -- @return String representing the full path to the file or <code>nil</code>.
 function fetchfile(filename)
 
+
+--- Generates a random unsigned integer.
+--
+-- This function is generally useful for seeding a random number generator.
+-- It is not efficient enough to be used as a random number generator.
+--
+-- @usage
+-- nmap.get_rand_uint() --> 1234567890
+-- @return Number A random unsigned integer.
+function get_random_uint()
+
 --- Returns the timing level as a non-negative integer.
 --
 -- Possible return values vary from <code>0</code> to <code>5</code>,