diff --git a/init.vim b/init.vim
index 161d01a..688ce9b 100644
--- a/init.vim
+++ b/init.vim
@@ -1338,6 +1338,7 @@ command! CppCommentMethod :call CPP_Comment_Method()
 let b:current_syntax = "custom"
 
 syntax keyword cppCustomNamespace juce
+syntax keyword cppCustomNamespace PDFHummus
 
 hi def link cppCustomNamespace Constant