diff --git a/README b/README
index 2dc0984..211bad0 100644
--- a/README
+++ b/README
@@ -2746,6 +2746,11 @@
 		CONFIG_SPL_LIBGENERIC_SUPPORT
 		Support for lib/libgeneric.o in SPL binary
 
+		CONFIG_SPL_TARGET
+		Final target image containing SPL and payload.  Some SPLs
+		use an arch-specific makefile fragment instead, for
+		example if more than one image needs to be produced.
+
 Modem Support:
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