diff --git a/graphics/composer/2.1/IComposer.hal b/graphics/composer/2.1/IComposer.hal
index 553a537..b3ac761 100644
--- a/graphics/composer/2.1/IComposer.hal
+++ b/graphics/composer/2.1/IComposer.hal
@@ -19,7 +19,7 @@
 import IComposerClient;
 
 interface IComposer {
-    /*
+    /**
      * Optional capabilities which may be supported by some devices. The
      * particular set of supported capabilities for a given device may be
      * retrieved using getCapabilities.
@@ -27,7 +27,7 @@
     enum Capability : int32_t {
         INVALID = 0,
 
-        /*
+        /**
          * Specifies that the device supports sideband stream layers, for
          * which buffer content updates and other synchronization will not be
          * provided through the usual validate/present cycle and must be
@@ -37,7 +37,7 @@
          */
         SIDEBAND_STREAM = 1,
 
-        /*
+        /**
          * Specifies that the device will apply a color transform even when
          * either the client or the device has chosen that all layers should
          * be composed by the client. This will prevent the client from
@@ -46,7 +46,7 @@
         SKIP_CLIENT_COLOR_TRANSFORM = 2,
     };
 
-    /*
+    /**
      * Provides a list of supported capabilities (as described in the
      * definition of Capability above). This list must not change after
      * initialization.
@@ -58,7 +58,7 @@
     @callflow(next="*")
     getCapabilities() generates (vec<Capability> capabilities);
 
-    /*
+    /**
      * Retrieves implementation-defined debug information, which will be
      * displayed during, for example, `dumpsys SurfaceFlinger`.
      *
@@ -69,7 +69,7 @@
     @callflow(next="*")
     dumpDebugInfo() generates (string debugInfo);
 
-    /*
+    /**
      * Creates a client of the composer. All resources created by the client
      * are owned by the client and are only visible to the client.
      *