diff --git a/librecomp/include/librecomp/game.hpp b/librecomp/include/librecomp/game.hpp
index 298f009..5b8f88e 100644
--- a/librecomp/include/librecomp/game.hpp
+++ b/librecomp/include/librecomp/game.hpp
@@ -41,6 +41,14 @@ namespace recomp {
 	void set_rom_contents(std::vector<uint8_t>&& new_rom);
 	void do_rom_read(uint8_t* rdram, gpr ram_address, uint32_t physical_addr, size_t num_bytes);
 	void do_rom_pio(uint8_t* rdram, gpr ram_address, uint32_t physical_addr);
+
+	/**
+	 * The following arguments contain mandatory callbacks that need to be registered (i.e., can't be `nullptr`):
+	 * - `rsp_callbacks`
+	 * - `renderer_callbacks`
+	 *
+	 * It must be called only once and it must be called before `ultramodern::preinit`.
+	 */
     void start(
         ultramodern::renderer::WindowHandle window_handle,
         const recomp::rsp::callbacks_t& rsp_callbacks,
@@ -51,6 +59,7 @@ namespace recomp {
         const ultramodern::events::callbacks_t& events_callbacks,
         const ultramodern::error_handling::callbacks_t& error_handling_callbacks_
     );
+
 	void start_game(const std::u8string& game_id);
 	std::u8string current_game_id();
 }
diff --git a/ultramodern/CMakeLists.txt b/ultramodern/CMakeLists.txt
index 2cf9ed4..81d183f 100644
--- a/ultramodern/CMakeLists.txt
+++ b/ultramodern/CMakeLists.txt
@@ -5,10 +5,6 @@ set(CMAKE_CXX_STANDARD 20)
 set(CMAKE_CXX_STANDARD_REQUIRED True)
 set(CMAKE_CXX_EXTENSIONS OFF)
 
-# Warnings
-# TODO: uncoment this when we fix the warnings
-# set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra")
-
 add_library(ultramodern STATIC
     "${CMAKE_CURRENT_SOURCE_DIR}/src/audio.cpp"
     "${CMAKE_CURRENT_SOURCE_DIR}/src/error_handling.cpp"
diff --git a/ultramodern/include/ultramodern/ultramodern.hpp b/ultramodern/include/ultramodern/ultramodern.hpp
index 1f7be4b..8dbccdc 100644
--- a/ultramodern/include/ultramodern/ultramodern.hpp
+++ b/ultramodern/include/ultramodern/ultramodern.hpp
@@ -131,6 +131,10 @@ void set_audio_callbacks(const audio_callbacks_t& callbacks);
 /**
  * Register all the callbacks used by `ultramodern`, most of them being optional.
  *
+ * The following arguments contain mandatory callbacks that need to be registered (i.e., can't be `nullptr`):
+ * - `rsp_callbacks`
+ * - `renderer_callbacks`
+ *
  * It must be called only once and it must be called before `ultramodern::preinit`.
  */
 void set_callbacks(
diff --git a/ultramodern/src/events.cpp b/ultramodern/src/events.cpp
index a6c93df..7d5bf68 100644
--- a/ultramodern/src/events.cpp
+++ b/ultramodern/src/events.cpp
@@ -230,13 +230,13 @@ uint32_t ultramodern::get_target_framerate(uint32_t original) {
     auto& config = ultramodern::renderer::get_graphics_config();
 
     switch (config.rr_option) {
-    default:
-    case ultramodern::renderer::RefreshRate::Original:
-        return original;
-    case ultramodern::renderer::RefreshRate::Manual:
-        return config.rr_manual_value;
-    case ultramodern::renderer::RefreshRate::Display:
-        return display_refresh_rate.load();
+        case ultramodern::renderer::RefreshRate::Original:
+        default:
+            return original;
+        case ultramodern::renderer::RefreshRate::Manual:
+            return config.rr_manual_value;
+        case ultramodern::renderer::RefreshRate::Display:
+            return display_refresh_rate.load();
     }
 }