diff --git a/docs/04_cv32a65x_design/source/functionality.rst b/docs/04_cv32a65x_design/source/functionality.rst
index 8abfd8da6..65df8b765 100644
--- a/docs/04_cv32a65x_design/source/functionality.rst
+++ b/docs/04_cv32a65x_design/source/functionality.rst
@@ -17,6 +17,6 @@ Functionality
 
    instructions
    traps
-   csr
+   CSR
    AXI
    CVXIF