diff --git a/example/example.cpp b/example/example.cpp
index 5d588e1b..7fc44850 100644
--- a/example/example.cpp
+++ b/example/example.cpp
@@ -214,13 +214,7 @@ void udp_example()
     spdlog::sinks::udp_sink_config cfg("127.0.0.1", 11091);
     auto my_logger = spdlog::udp_logger_mt("udplog", cfg);
     my_logger->set_level(spdlog::level::debug);
-    for (int i = 0; i < 10; i++) {
-        my_logger->info("hello world {}", i);
-#ifdef _WIN32
-        // sendto() on winsock will drop packets if sent too quickly
-        std::this_thread::sleep_for(std::chrono::milliseconds(40));
-#endif
-    }
+    my_logger->info("hello world");
 }
 
 // A logger with multiple sinks (stdout and file) - each with a different format and log level.
diff --git a/include/spdlog/details/udp_client-windows.h b/include/spdlog/details/udp_client-windows.h
index 0eb8cb40..b370b127 100644
--- a/include/spdlog/details/udp_client-windows.h
+++ b/include/spdlog/details/udp_client-windows.h
@@ -3,6 +3,7 @@
 
 #pragma once
 
+#ifndef WIN32_LEAN_AND_MEAN
 #define WIN32_LEAN_AND_MEAN
 // tcp client helper
 #include <spdlog/common.h>
@@ -125,4 +126,5 @@ public:
 } // namespace details
 } // namespace spdlog
 
-#endif
\ No newline at end of file
+#endif  // _WIN32
+#endif  // WIN32_LEAN_AND_MEAN
\ No newline at end of file
diff --git a/include/spdlog/sinks/udp_sink.h b/include/spdlog/sinks/udp_sink.h
index 961d754d..b8706c3d 100644
--- a/include/spdlog/sinks/udp_sink.h
+++ b/include/spdlog/sinks/udp_sink.h
@@ -17,12 +17,8 @@
 #include <chrono>
 #include <functional>
 
-#pragma once
-
 // Simple udp client sink
-// Connects to remote address and send the formatted log.
-// Will attempt to reconnect if connection drops.
-// If more complicated behaviour is needed (i.e get responses), you can inherit it and override the sink_it_ method.
+// Sends formatted log via udp
 
 namespace spdlog {
 namespace sinks {
@@ -42,7 +38,6 @@ template<typename Mutex>
 class udp_sink : public spdlog::sinks::base_sink<Mutex>
 {
 public:
-    // connect to tcp host/port or throw if failed
     // host can be hostname or ip address
 
     explicit udp_sink(udp_sink_config sink_config)