diff --git a/audio/effect/2.0/IBassBoostEffect.hal b/audio/effect/2.0/IBassBoostEffect.hal
index bcf7b7d..db6a297 100644
--- a/audio/effect/2.0/IBassBoostEffect.hal
+++ b/audio/effect/2.0/IBassBoostEffect.hal
@@ -20,7 +20,7 @@
 import IEffect;
 
 interface IBassBoostEffect extends IEffect {
-    /*
+    /**
      * Returns whether setting bass boost strength is supported.
      */
     isStrengthSupported() generates (Result retval, bool strengthSupported);
@@ -30,7 +30,7 @@
         MAX = 1000
     };
 
-    /*
+    /**
      * Sets bass boost strength.
      *
      * @param strength strength of the effect. The valid range for strength
@@ -41,7 +41,7 @@
      */
     setStrength(uint16_t strength) generates (Result retval);
 
-    /*
+    /**
      * Gets virtualization strength.
      */
     getStrength() generates (Result retval, uint16_t strength);