Redfish: getComputerSystem: Fix Doxygen

Change-Id: I88aefe92ba2dab2c76c9e0ae14375591733f5e5a
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
diff --git a/redfish-core/lib/systems.hpp b/redfish-core/lib/systems.hpp
index 944f730..d042ca3 100644
--- a/redfish-core/lib/systems.hpp
+++ b/redfish-core/lib/systems.hpp
@@ -140,7 +140,7 @@
  * @brief Retrieves computer system properties over dbus
  *
  * @param[in] aResp Shared pointer for completing asynchronous calls
- * @param[in] name  Computer system name from request
+ * @param[in] systemHealth  Shared HealthPopulate pointer
  *
  * @return None.
  */