diff --git a/.env.example b/.env.example
index ec825e8ee..83f29aedc 100644
--- a/.env.example
+++ b/.env.example
@@ -43,5 +43,10 @@ OPENAI_LIKE_API_KEY=
 # You only need this environment variable set if you want to use Mistral models
 MISTRAL_API_KEY=
 
+# Get your xAI API key
+# https://x.ai/api
+# You only need this environment variable set if you want to use xAI models
+XAI_API_KEY=
+
 # Include this environment variable if you want more logging for debugging locally
 VITE_LOG_LEVEL=debug