diff --git a/setup/setup-wsl.sh b/setup/setup-wsl.sh
index 411028a..93e26e4 100755
--- a/setup/setup-wsl.sh
+++ b/setup/setup-wsl.sh
@@ -1,5 +1,6 @@
 #!/bin/bash
 
+# Turn on the option to auto export all variables and functions created/modified.
 set -a
 source "$(dirname $(readlink -f "${0}"))/.env"
 source "$(dirname $(readlink -f "${0}"))/common.sh"