diff --git a/aider/website/assets/sample.aider.conf.yml b/aider/website/assets/sample.aider.conf.yml
index c8e72e3db..60fcbd46a 100644
--- a/aider/website/assets/sample.aider.conf.yml
+++ b/aider/website/assets/sample.aider.conf.yml
@@ -386,6 +386,9 @@
 ## Specify the language to use in the chat (default: None, uses system settings)
 #chat-language: xxx
 
+## Specify the language to use in the commit message (default: None, user language)
+#commit-language: xxx
+
 ## Always say yes to every confirmation
 #yes-always: false
 
diff --git a/aider/website/docs/config/aider_conf.md b/aider/website/docs/config/aider_conf.md
index a77d70301..b85ab8f88 100644
--- a/aider/website/docs/config/aider_conf.md
+++ b/aider/website/docs/config/aider_conf.md
@@ -440,6 +440,9 @@ cog.outl("```")
 ## Specify the language to use in the chat (default: None, uses system settings)
 #chat-language: xxx
 
+## Specify the language to use in the commit message (default: None, user language)
+#commit-language: xxx
+
 ## Always say yes to every confirmation
 #yes-always: false
 
diff --git a/aider/website/docs/config/options.md b/aider/website/docs/config/options.md
index 368c4ec7e..fb36b0f21 100644
--- a/aider/website/docs/config/options.md
+++ b/aider/website/docs/config/options.md
@@ -74,7 +74,7 @@ usage: aider [-h] [--model] [--openai-api-key] [--anthropic-api-key]
              [--apply-clipboard-edits] [--exit] [--show-repo-map]
              [--show-prompts] [--voice-format] [--voice-language]
              [--voice-input-device] [--disable-playwright] [--file]
-             [--read] [--vim] [--chat-language] [--yes-always] [-v]
+             [--read] [--vim] [--chat-language] [--commit-language] [--yes-always] [-v]
              [--load] [--encoding] [--line-endings] [-c]
              [--env-file]
              [--suggest-shell-commands | --no-suggest-shell-commands]
@@ -683,6 +683,10 @@ Environment variable: `AIDER_VIM`
 Specify the language to use in the chat (default: None, uses system settings)  
 Environment variable: `AIDER_CHAT_LANGUAGE`  
 
+### `--commit-language COMMIT_LANGUAGE`
+Specify the language to use in the commit message (default: None, user language)  
+Environment variable: `AIDER_COMMIT_LANGUAGE`  
+
 ### `--yes-always`
 Always say yes to every confirmation  
 Environment variable: `AIDER_YES_ALWAYS`