diff --git a/doc/advopt.txt b/doc/advopt.txt
index 6cf6157ec0..7be88144ac 100644
--- a/doc/advopt.txt
+++ b/doc/advopt.txt
@@ -61,6 +61,7 @@ Advanced options:
   --debuginfo:on|off        enables debug information
   -t, --passC:OPTION        pass an option to the C compiler
   -l, --passL:OPTION        pass an option to the linker
+  --cc:SYMBOL               specify the C compiler
   --cincludes:DIR           modify the C compiler header search path
   --clibdir:DIR             modify the linker library search path
   --clib:LIBNAME            link an additional C library