diff --git a/manual.scrbl b/manual.scrbl
index 04505d6..7b8502a 100644
--- a/manual.scrbl
+++ b/manual.scrbl
@@ -165,6 +165,12 @@ Graph properties are not supported.
 @defproc[(cc/bfs [g Graph]) (Listof (Listof Any))]{}
 @defproc[(scc [g Graph]) (Listof (Listof Any))]{}
 
+@subsection{Spanning Trees}
+@defproc[(min-st-kruskal [g Graph]) (Listof (List Any Any))]{}
+@defproc[(max-st-kruskal [g Graph]) (Listof (List Any Any))]{}
+@defproc[(min-st-prim [g Graph] [source Any]) (Listof (List Any Any))]{}
+@defproc[(max-st-prim [g Graph] [source Any]) (Listof (List Any Any))]{}
+
 @section{License}
 
 Like the generic graph library, this library is licensed under the Apache