diff --git a/common/common.h b/common/common.h
index e64292152..0d452cf0f 100644
--- a/common/common.h
+++ b/common/common.h
@@ -24,7 +24,6 @@
 
 #define DEFAULT_MODEL_PATH "models/7B/ggml-model-f16.gguf"
 
-// TODO: "lora_adapter" is tautology
 struct common_lora_adapter_info {
     std::string path;
     float scale;
diff --git a/examples/server/server.cpp b/examples/server/server.cpp
index 441c58e38..c2e62ba69 100644
--- a/examples/server/server.cpp
+++ b/examples/server/server.cpp
@@ -1626,6 +1626,7 @@ struct server_response {
 struct server_context {
     common_params params_base;
 
+    // note: keep these alive - they determine the lifetime of the model, context, etc.
     common_init_result llama_init;
     common_init_result llama_init_dft;
 
diff --git a/src/llama-sampling.cpp b/src/llama-sampling.cpp
index 86a76f71d..69cea2f14 100644
--- a/src/llama-sampling.cpp
+++ b/src/llama-sampling.cpp
@@ -124,6 +124,7 @@ struct ring_buffer {
     size_t sz = 0;
     size_t first = 0;
     size_t pos = 0;
+
     std::vector<T> data;
 };