diff --git a/include/spdlog/cfg/argv.h b/include/spdlog/cfg/argv.h
index b690032c..46624439 100644
--- a/include/spdlog/cfg/argv.h
+++ b/include/spdlog/cfg/argv.h
@@ -6,8 +6,17 @@
 #include <spdlog/details/os.h>
 
 //
-// Init levels from argv SPDLOG_LEVEL
-// Example: my_program.exe "SPDLOG_LEVEL=trace"
+// Init log levels using each argv entry that starts with "SPDLOG_LEVEL="
+//
+// set all loggers to debug level:
+// example.exe "SPDLOG_LEVEL=debug"
+
+// set logger1 to trace level
+// example.exe "SPDLOG_LEVEL=logger1=trace"
+
+// turn off all logging except for logger1 and logger2:
+// example.exe "SPDLOG_LEVEL=off,logger1=debug,logger2=info"
+
 
 namespace spdlog {
 namespace cfg {
diff --git a/include/spdlog/cfg/env.h b/include/spdlog/cfg/env.h
index 3700eeb7..9568f3bb 100644
--- a/include/spdlog/cfg/env.h
+++ b/include/spdlog/cfg/env.h
@@ -19,6 +19,7 @@
 // turn off all logging except for logger1:
 // export SPDLOG_LEVEL="off,logger1=debug"
 //
+
 // turn off all logging except for logger1 and logger2:
 // export SPDLOG_LEVEL="off,logger1=debug,logger2=info"