diff --git a/ggml.c b/ggml.c
index 73600ab05..d24560480 100644
--- a/ggml.c
+++ b/ggml.c
@@ -17456,9 +17456,9 @@ static void ggml_opt_acc_grad(int np, struct ggml_tensor * const ps[], float * g
 }
 
 //
-// ADAM
+// Using AdamW - ref: https://arxiv.org/pdf/1711.05101v3.pdf
 //
-//   ref: https://arxiv.org/pdf/1412.6980.pdf
+// (Original Adam - ref: https://arxiv.org/pdf/1412.6980.pdf)
 //
 
 static enum ggml_opt_result ggml_opt_adam(