diff --git a/DRAMSys/simulator/src/controller/core/configuration/Configuration.cpp b/DRAMSys/simulator/src/controller/core/configuration/Configuration.cpp
index 42f851f1..7000c1ae 100644
--- a/DRAMSys/simulator/src/controller/core/configuration/Configuration.cpp
+++ b/DRAMSys/simulator/src/controller/core/configuration/Configuration.cpp
@@ -207,6 +207,8 @@ void Configuration::setParameter(std::string name, std::string value)
     else if (name == "ControllerCoreEnableRefPostpone")
     {
         ControllerCoreEnableRefPostpone = string2bool(value);
+        // Refresh postpone feature available for DDR3 only in the current
+        // version of DRAMsys.
         if (ControllerCoreEnableRefPostpone && memSpec.MemoryType != "DDR3") {
             SC_REPORT_FATAL("Configuration", (name + " requires memory type DDR3.").c_str());
         }
diff --git a/DRAMSys/simulator/src/simulation/DRAMSys.cpp b/DRAMSys/simulator/src/simulation/DRAMSys.cpp
index 32a90682..ea544ee4 100644
--- a/DRAMSys/simulator/src/simulation/DRAMSys.cpp
+++ b/DRAMSys/simulator/src/simulation/DRAMSys.cpp
@@ -80,6 +80,9 @@ DRAMSys::DRAMSys(sc_module_name __attribute__((unused)) name,
 
     Configuration::getInstance().setPathToResources(pathToResources);
 
+    // The xmlAddressDecoder MUST be initialized before calling the
+    // ConfigurationLoader because some information from the xmlAddressDecoder
+    // is needed to assure the coherence of the configuration.
     xmlAddressDecoder::getInstance().setConfiguration(pathToResources
                                                        + "configs/amconfigs/"
                                                        + amconfig);