Update example

example/example.cpp

@@ -31,13 +31,7 @@ int main(int, char *[])
     spdlog::info("Positional args are {1} {0}..", "too", "supported");
     spdlog::info("{:>8} aligned, {:<8} aligned", "right", "left");
 
-    // Runtime log levels
-    spdlog::set_level(spdlog::level::info); // Set global log level to info
-    spdlog::debug("This message should not be displayed!");
-    spdlog::set_level(spdlog::level::trace); // Set specific logger's log level
-    spdlog::debug("This message should be displayed..");
-
-    // Optionally load log levels from argv/env using the SPDLOG_LEVEL var
+    // Log levels can also loaded from argv/env using "SPDLOG_LEVEL"
     // For example: set the global level to info and mylogger to to trace:
     // SPDLOG_LEVEL=info,mylogger=trace && ./example
     spdlog::cfg::load_env_levels();
@@ -46,6 +40,12 @@ int main(int, char *[])
     // #include "spdlog/cfg/argv.h" // for loading levels from argv
     // spdlog::cfg::load_argv_levels(args, argv);
 
+    // Runtime log levels
+    spdlog::set_level(spdlog::level::info); // Set global log level to info
+    spdlog::debug("This message should not be displayed!");
+    spdlog::set_level(spdlog::level::trace); // Set specific logger's log level
+    spdlog::debug("This message should be displayed..");
+
     // Customize msg format for all loggers
     spdlog::set_pattern("[%H:%M:%S %z] [%^%L%$] [thread %t] %v");
     spdlog::info("This an info message with custom format");