diff --git a/package/swupdate/Config.in b/package/swupdate/Config.in
index d7217af1c4..d9ef1bc7a4 100644
--- a/package/swupdate/Config.in
+++ b/package/swupdate/Config.in
@@ -19,7 +19,11 @@ config BR2_PACKAGE_SWUPDATE
 	  use your own modified configuration, you have to select the
 	  necessary packages manually:
 
-	  * Select BR2_PACKAGE_LUA if you want to have Lua support.
+	  * Select BR2_PACKAGE_LUA or BR2_PACKAGE_LUAJIT if you want
+	    to have Lua support.
+	    CONFIG_HANDLER_IN_LUA is not supported in LuaJIT or Lua 5.1.
+	    Note that for LuaJIT support, you need to set
+	    CONFIG_LUAVERSION="jit-5.1".
 	  * Select BR2_LIBCURL if you want to use the download feature.
 	  * Select BR2_PACKAGE_OPENSSL is you want to add encryption support.
 	  * Select BR2_PACKAGE_MTD if you want to use swupdate with UBI