Fix documentation

source/examples/HotReloadLiveDemo/Plugin/src/LivePlugin.cpp

@@ -1,4 +1,6 @@
-/* LivePlugin.cpp -- THE FILE TO EDIT.
+/**
+ * @file LivePlugin.cpp
+ * @brief THE FILE TO EDIT.
  *
  * With source/examples/HotReloadLiveDemo/Host running in one
  * terminal, rebuild just this file from another with:
@@ -42,13 +44,19 @@
 #include "hot_reload/hot_reload.h"
 
 #include <cstdio>
-#include <iostream>
 
+/**
+ * @brief The one function this demo starts with; edit this file and rebuild to see it change live.
+ *
+ * See this file's own comment for what to try.
+ *
+ * @param frame The Host's running frame counter, incremented once per second.
+ * @return @p frame times the multiplier below.
+ */
 extern "C" HOT_RELOAD_EXPORT int live_tick(int frame)
 {
 	int multiplier = 2; // <- try changing this
 	int value = frame * multiplier;
-	std::printf("  live_tick (%d) -> %d\n", frame, value);
-	std::cout.flush();
+	std::printf("  live_tick(%d) -> %d\n", frame, value);
 	return value;
 }