diff --git a/xtoskrnl/ar/amd64/procsup.c b/xtoskrnl/ar/amd64/procsup.c
index e24fa5f..67f8ace 100644
--- a/xtoskrnl/ar/amd64/procsup.c
+++ b/xtoskrnl/ar/amd64/procsup.c
@@ -73,6 +73,14 @@ ArInitializeProcessor(VOID)
     ArpIdentifyProcessor();
 }
 
+/**
+ * Identifies processor type (vendor, model, stepping) as well as looks for available CPU features and stores them
+ * in Processor Control Block (PRCB).
+ *
+ * @return This routine does not return any value.
+ *
+ * @since XT 1.0
+ */
 XTAPI
 VOID
 ArpIdentifyProcessor(VOID)
diff --git a/xtoskrnl/ar/i686/procsup.c b/xtoskrnl/ar/i686/procsup.c
index b1f7f73..0d1e5e0 100644
--- a/xtoskrnl/ar/i686/procsup.c
+++ b/xtoskrnl/ar/i686/procsup.c
@@ -65,6 +65,14 @@ ArInitializeProcessor(VOID)
     ArpIdentifyProcessor();
 }
 
+/**
+ * Identifies processor type (vendor, model, stepping) as well as looks for available CPU features and stores them
+ * in Processor Control Block (PRCB).
+ *
+ * @return This routine does not return any value.
+ *
+ * @since XT 1.0
+ */
 XTAPI
 VOID
 ArpIdentifyProcessor(VOID)