From 3b8eb123ec2d3457089d64e668827b83600535e2 Mon Sep 17 00:00:00 2001
From: Marcel Amirault <mamirault@gitlab.com>
Date: Thu, 25 Nov 2021 20:13:56 +0000
Subject: [PATCH] CI/CD variables should start with a letter

---
 doc/ci/yaml/index.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/doc/ci/yaml/index.md b/doc/ci/yaml/index.md
index 1cdbe351c3f67..7bb861f1787c5 100644
--- a/doc/ci/yaml/index.md
+++ b/doc/ci/yaml/index.md
@@ -3653,7 +3653,8 @@ variable defined, the [job-level variable takes precedence](../variables/index.m
 
 **Possible inputs**: Variable name and value pairs:
 
-- The name can use only numbers, letters, and underscores (`_`).
+- The name can use only numbers, letters, and underscores (`_`). In some shells,
+  the first character must be a letter.
 - The value must be a string.
 
 **Examples of `variables`:**
-- 
GitLab