diff --git a/memtrack/1.0/IMemtrack.hal b/memtrack/1.0/IMemtrack.hal
index ae9d960..a329032 100644
--- a/memtrack/1.0/IMemtrack.hal
+++ b/memtrack/1.0/IMemtrack.hal
@@ -16,7 +16,7 @@
 
 package android.hardware.memtrack@1.0;
 
-/*
+/**
  * The Memory Tracker HAL is designed to return information about
  * device-specific memory usage.
  * The primary goal is to be able to track memory that is not
@@ -30,7 +30,7 @@
  * setup actions and is called once before any calls to getMemory().
  */
 interface IMemtrack {
-    /*
+    /**
      * getMemory() populates MemtrackRecord vector with the sizes of memory
      * plus associated flags for that memory.
      *
diff --git a/memtrack/1.0/types.hal b/memtrack/1.0/types.hal
index 3d702b3..189312a 100644
--- a/memtrack/1.0/types.hal
+++ b/memtrack/1.0/types.hal
@@ -16,7 +16,7 @@
 
 package android.hardware.memtrack@1.0;
 
-/*
+/**
  * SMAPS_ACCOUNTED/SMAPS_UNACCOUNTED
  * Flags to differentiate memory that can already be accounted for in
  * /proc/<pid>/smaps,
@@ -56,7 +56,7 @@
     SECURE = 1 << 9,
 };
 
-/* Tags which define the usage of the memory buffers. */
+/** Tags which define the usage of the memory buffers. */
 enum MemtrackType : uint32_t {
     OTHER = 0,
     GL = 1,
@@ -79,7 +79,7 @@
  */
 struct MemtrackRecord {
     uint64_t sizeInBytes;
-    /*
+    /**
      * This is the bitfield for the MemtrackFlag indicating all the flags that
      * are valid for this record.
      */