diff --git a/plugins/sudoers/env.c b/plugins/sudoers/env.c
index 9368c0e32..eedfc4c57 100644
--- a/plugins/sudoers/env.c
+++ b/plugins/sudoers/env.c
@@ -1123,7 +1123,7 @@ rebuild_env(const struct sudoers_context *ctx)
 	CHECK_SETENV2("SUDO_COMMAND", ctx->user.cmnd, true, true);
     }
 
-    /* Add the SUDO_{USER,UID,GID,HOME,TTY,TTY} environment variables. */
+    /* Add the SUDO_{USER,UID,GID,HOME,TTY} environment variables. */
     CHECK_SETENV2("SUDO_USER", ctx->user.name, true, true);
     (void)snprintf(idbuf, sizeof(idbuf), "%u", (unsigned int) ctx->user.uid);
     CHECK_SETENV2("SUDO_UID", idbuf, true, true);