update 64-bit prefix format

diff --git a/simple_v_extension/sv_prefix_proposal.rst b/simple_v_extension/sv_prefix_proposal.rst
index 1c6e0b8609920ba9bf99e5a384f4ef1524da6a23..3112069ea524c6d62544b6a67c5c6fe3a31a31a4 100644 (file)
--- a/simple_v_extension/sv_prefix_proposal.rst
+++ b/simple_v_extension/sv_prefix_proposal.rst
@@ -120,8 +120,9 @@ Table showing Standard RV32 encodings:
 | RV32-FR-type  + funct5      + fmt   + rs2[4:0] + rs1[4:0] + rm     | rd[4:0]  + opcode + 1      + 1          |
 +---------------+-------------+-------+----------+----------+--------+----------+--------+--------+------------+
 
-64-bit Instruction Encodings <a name="64-bit-prefix"></a>
+64-bit Instruction Encodings 
 ============================
+<a name="64-bit-prefix"></a>
 
 Where in the 48 bit format the prefix is "0b0011111" in bits 0 to 6, this is
 now set to "0b0111111".