diff --git a/docs/source/manual/arch_lang/config_protocol.rst b/docs/source/manual/arch_lang/config_protocol.rst
index 44549d7c0..519d0b6d5 100644
--- a/docs/source/manual/arch_lang/config_protocol.rst
+++ b/docs/source/manual/arch_lang/config_protocol.rst
@@ -51,7 +51,7 @@ Template
 Configuration Chain Example
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 The following XML code describes a scan-chain circuitry to configure the core logic of FPGA, as illustrated in :numref:`fig_ccff_fpga`.
-It will use the circuit model defined in :numref:`fig_ccff`.
+It will use the circuit model defined in :numref:`fig_ccff_config_chain`.
 
 .. code-block:: xml