1 files changed, 1 insertions, 1 deletions

diff --git a/src/lib/src/neuralnet_impl.h b/src/lib/src/neuralnet_impl.h
index 18694f4..f5a9c63 100644
--- a/src/lib/src/neuralnet_impl.h
+++ b/src/lib/src/neuralnet_impl.h
@@ -30,7 +30,7 @@ typedef struct nnNeuralNetwork {
 /// |network_outputs| points to the last output matrix in |layer_outputs| for
 /// convenience.
 typedef struct nnQueryObject {
-  int       num_layers;
+  int       num_layers;      // Same as nnNeuralNetwork::num_layers.
   nnMatrix* layer_outputs;   // Output matrices, one output per layer.
   nnMatrix* network_outputs; // Points to the last output matrix.
 } nnTrainingQueryObject;