diff --git a/docs/sphinx/itemToModuleMap.json b/docs/sphinx/itemToModuleMap.json
index 34a703bd..5fa174fb 100644
--- a/docs/sphinx/itemToModuleMap.json
+++ b/docs/sphinx/itemToModuleMap.json
@@ -802,6 +802,7 @@
 "DF_OEMTEXT":"wx.",
 "DF_PALETTE":"wx.",
 "DF_PENDATA":"wx.",
+"DF_PNG":"wx.",
 "DF_PRIVATE":"wx.",
 "DF_RIFF":"wx.",
 "DF_SYLK":"wx.",