diff --git a/UefiCpuPkg/Application/Cpuid/Cpuid.c b/UefiCpuPkg/Application/Cpuid/Cpuid.c
index 7a994eba9a..f39a7fb33a 100644
--- a/UefiCpuPkg/Application/Cpuid/Cpuid.c
+++ b/UefiCpuPkg/Application/Cpuid/Cpuid.c
@@ -708,6 +708,8 @@ CpuidArchitecturalPerformanceMonitoring (
 /**
   Display CPUID_EXTENDED_TOPOLOGY leafs for all supported levels.
 
+  @param[in] LeafFunction  Leaf function index for CPUID_EXTENDED_TOPOLOGY.
+  
 **/
 VOID
 CpuidExtendedTopology (