diff --git a/README.md b/README.md
index bf78634..3cd0a38 100644
--- a/README.md
+++ b/README.md
@@ -184,7 +184,7 @@
 `R7`
 
 When a value is written into R7, the boolean negation of that value is
-written into R7: 1 if the value was 0, and 0 otherwise. Reading from R7
+written into R8: 1 if the value was 0, and 0 otherwise. Reading from R7
 always offers the value 7.
 
 `R8`