diff --git a/neuralnetworks/1.0/IDevice.hal b/neuralnetworks/1.0/IDevice.hal
index 49c2967..62fb2ba 100644
--- a/neuralnetworks/1.0/IDevice.hal
+++ b/neuralnetworks/1.0/IDevice.hal
@@ -36,7 +36,7 @@
     /**
      * Gets the supported operations in a model.
      *
-     * getSupportedSubgraph indicates which operations of a model are fully
+     * getSupportedOperations indicates which operations of a model are fully
      * supported by the vendor driver. If an operation may not be supported for
      * any reason, getSupportedOperations must return false for that operation.
      *
diff --git a/neuralnetworks/1.0/types.hal b/neuralnetworks/1.0/types.hal
index 8779723..12461e9 100644
--- a/neuralnetworks/1.0/types.hal
+++ b/neuralnetworks/1.0/types.hal
@@ -1079,7 +1079,11 @@
     vec<uint32_t> dimensions;
 
     /**
-     * The number of operations that use this operand as input.
+     * The number of times this operand appears as an operation input.
+     *
+     * (For example, if this operand appears once in one operation's
+     * input list, and three times in another operation's input list,
+     * then numberOfConsumers = 4.)
      */
     uint32_t numberOfConsumers;
 
diff --git a/neuralnetworks/1.0/vts/functional/Callbacks.h b/neuralnetworks/1.0/vts/functional/Callbacks.h
index 0e2ffb3..18c3167 100644
--- a/neuralnetworks/1.0/vts/functional/Callbacks.h
+++ b/neuralnetworks/1.0/vts/functional/Callbacks.h
@@ -38,10 +38,6 @@
  * "notify". This "notify" call awakens any client threads waiting on the
  * callback object.
  *
- * callback object. When the asynchronous task has finished its workload or has
- * failed to launch, it must immediately call "notify", awakening any client
- * threads waiting on the callback object.
- *
  * The CallbackBase class implements some of the base synchronization common to
  * both PrepareModelCallback and ExecutionCallback. For consistency, any HIDL
  * callback class must inherit from CallbackBase as well as the HIDL callback