diff --git a/src/images/wavedrom/cr-register.adoc b/src/images/wavedrom/cr-register.adoc
index 9c908fff4..63286e4eb 100644
--- a/src/images/wavedrom/cr-register.adoc
+++ b/src/images/wavedrom/cr-register.adoc
@@ -74,7 +74,7 @@
   {bits: 2, name: 'op',     type: 8},
   {bits: 3, name: 'rs2ʹ',   type: 4},
   {bits: 2, name: 'funct2', type: 8},
-  {bits: 3, name: 'rd`/rs1ʹ',   type: 7},
+  {bits: 3, name: 'rdʹ/rs1ʹ',   type: 7},
   {bits: 6, name: 'funct6', type: 8},
 ]}
 ....
@@ -84,7 +84,7 @@
 {reg: [
   {bits: 2, name: 'op',     type: 8},
   {bits: 5, name: 'offset', type: 3},
-  {bits: 3, name: 'rd`/rs1ʹ',   type: 7},
+  {bits: 3, name: 'rdʹ/rs1ʹ',   type: 7},
   {bits: 3, name: 'offset', type: 3},
   {bits: 3, name: 'funct3', type: 8},
 ]}