diff --git a/.profile b/.profile
index cc12d25f..ff7b2958 100644
--- a/.profile
+++ b/.profile
@@ -1,3 +1,4 @@
+# https://tratt.net/laurie/blog/2024/faster_shell_startup_with_shell_switching.html
if [[ $- == *"i"* ]]; then
exec zsh
fi
diff --git a/.profile b/.profile
index cc12d25f..ff7b2958 100644
--- a/.profile
+++ b/.profile
@@ -1,3 +1,4 @@
+# https://tratt.net/laurie/blog/2024/faster_shell_startup_with_shell_switching.html
if [[ $- == *"i"* ]]; then
exec zsh
fi