diff --git a/doc/source/netscript/netscriptsingularityfunctions.rst b/doc/source/netscript/netscriptsingularityfunctions.rst
index e9b3e5f28..d56d09130 100644
--- a/doc/source/netscript/netscriptsingularityfunctions.rst
+++ b/doc/source/netscript/netscriptsingularityfunctions.rst
@@ -556,6 +556,20 @@ getAugmentationsFromFaction
 
     Returns an array containing the names (as strings) of all Augmentations that are available from the specified faction.
 
+getAugmentationPrereq
+-------------------
+
+.. js:function:: getAugmentationPrereq(augName)
+
+    :param string augName: Name of Augmentation. CASE-SENSITIVE
+
+    If you are not in BitNode-4, then you must have Level 3 of Source-File 4 in order to use this function.
+
+    This function returns an array with the names of the prerequisite Augmentation(s) for the specified Augmentation.
+    If there are no prerequisites, a blank array is returned.
+
+    If an invalid Augmentation name is passed in for the *augName* argument, this function will return a blank array.
+
 getAugmentationCost
 -------------------