(no commit message)

diff --git a/simple_v_extension/sv_prefix_proposal.rst b/simple_v_extension/sv_prefix_proposal.rst
index a824da03500f4e2eb33b173ed994fd473464362c..d49b8d1f9098bb48da44f1320c2e4670ecf5acb1 100644 (file)
--- a/simple_v_extension/sv_prefix_proposal.rst
+++ b/simple_v_extension/sv_prefix_proposal.rst
@@ -5,7 +5,11 @@ SimpleV Prefix (SVprefix) Proposal v0.3
 * Copyright (c) Luke Kenneth Casson Leighton, 2019
 
 This proposal is designed to be able to operate without SVorig, but not to
-require the absence of SVorig See Specification_.
+require the absence of SVorig. See Specification_.
+
+Principle: SVprefix embeds (unmodified) RVC and 32-bit scalar opcodes
+into 32, 48 and 64 bit RV formats, to provide Vectorisation context
+on a per-instruction basis.
 
 .. _Specification: http://libre-riscv.org/simple_v_extension/specification/