diff --git a/doc/scapy/build_dissect.rst b/doc/scapy/build_dissect.rst
index 70bdac75f9166cc1101e2063b7409b7de216124a..b5743cafb676288e6496a2ed39ac29504761d194 100644
--- a/doc/scapy/build_dissect.rst
+++ b/doc/scapy/build_dissect.rst
@@ -856,6 +856,7 @@ Legend:
     XByteField    
     
     ShortField
+    SignedShortField
     LEShortField
     XShortField