diff --git a/.env.template b/.env.template
index 6a74fa5..8c0a1c1 100644
--- a/.env.template
+++ b/.env.template
@@ -185,6 +185,7 @@
 # SMTP_FROM_NAME=Bitwarden_RS
 # SMTP_PORT=587
 # SMTP_SSL=true
+# SMTP_EXPLICIT_TLS=true # N.B. This variable configures Implicit TLS. It's currently mislabelled (see bug #851)
 # SMTP_USERNAME=username
 # SMTP_PASSWORD=password
 # SMTP_AUTH_MECHANISM="Plain"