diff --git a/include/spdlog/cfg/env.h b/include/spdlog/cfg/env.h
index 8105af19..68d84ab9 100644
--- a/include/spdlog/cfg/env.h
+++ b/include/spdlog/cfg/env.h
@@ -17,7 +17,7 @@
 // export SPDLOG_LEVEL=debug
 //
 // turn off all logging except for logger1:
-// export SPDLOG_LEVEL="off,logger1=debug"
+// export SPDLOG_LEVEL="*=off,logger1=debug"
 //
 
 // turn off all logging except for logger1 and logger2: