diff --git a/aider/website/assets/sample.aider.conf.yml b/aider/website/assets/sample.aider.conf.yml
index 921285de7..3e0023ddd 100644
--- a/aider/website/assets/sample.aider.conf.yml
+++ b/aider/website/assets/sample.aider.conf.yml
@@ -242,7 +242,7 @@
 ## Use VI editing mode in the terminal (default: False)
 #vim: false
 
-## Specify the audio format for voice recording (default: wav). webm and mp3 require ffmpeg
+## Audio format for voice recording (default: wav). webm and mp3 require ffmpeg
 #voice-format: wav
 
 ## Specify the language for voice using ISO 639-1 code (default: auto)
diff --git a/aider/website/assets/sample.env b/aider/website/assets/sample.env
index fb122c026..a7a226691 100644
--- a/aider/website/assets/sample.env
+++ b/aider/website/assets/sample.env
@@ -240,6 +240,9 @@
 ## Use VI editing mode in the terminal (default: False)
 #AIDER_VIM=false
 
+## Audio format for voice recording (default: wav). webm and mp3 require ffmpeg
+#AIDER_VOICE_FORMAT=wav
+
 ## Specify the language for voice using ISO 639-1 code (default: auto)
 #AIDER_VOICE_LANGUAGE=en
 
diff --git a/aider/website/docs/config/aider_conf.md b/aider/website/docs/config/aider_conf.md
index d906e11bd..b992d69b2 100644
--- a/aider/website/docs/config/aider_conf.md
+++ b/aider/website/docs/config/aider_conf.md
@@ -290,6 +290,9 @@ cog.outl("```")
 ## Use VI editing mode in the terminal (default: False)
 #vim: false
 
+## Audio format for voice recording (default: wav). webm and mp3 require ffmpeg
+#voice-format: wav
+
 ## Specify the language for voice using ISO 639-1 code (default: auto)
 #voice-language: en
 
diff --git a/aider/website/docs/config/dotenv.md b/aider/website/docs/config/dotenv.md
index 21c3b4619..e31959e17 100644
--- a/aider/website/docs/config/dotenv.md
+++ b/aider/website/docs/config/dotenv.md
@@ -282,6 +282,9 @@ cog.outl("```")
 ## Use VI editing mode in the terminal (default: False)
 #AIDER_VIM=false
 
+## Audio format for voice recording (default: wav). webm and mp3 require ffmpeg
+#AIDER_VOICE_FORMAT=wav
+
 ## Specify the language for voice using ISO 639-1 code (default: auto)
 #AIDER_VOICE_LANGUAGE=en
 
diff --git a/aider/website/docs/config/options.md b/aider/website/docs/config/options.md
index 779441677..17d2913ac 100644
--- a/aider/website/docs/config/options.md
+++ b/aider/website/docs/config/options.md
@@ -57,8 +57,9 @@ usage: aider [-h] [--openai-api-key] [--anthropic-api-key] [--model]
              [--commit] [--commit-prompt] [--dry-run | --no-dry-run]
              [--lint] [--lint-cmd] [--auto-lint | --no-auto-lint]
              [--test-cmd] [--auto-test | --no-auto-test] [--test]
-             [--file] [--read] [--vim] [--voice-language]
-             [--chat-language] [--version] [--just-check-update]
+             [--file] [--read] [--vim] [--voice-format]
+             [--voice-language] [--chat-language] [--version]
+             [--just-check-update]
              [--check-update | --no-check-update]
              [--install-main-branch] [--upgrade] [--apply] [--yes]
              [-v] [--show-repo-map] [--show-prompts] [--exit]
@@ -463,6 +464,11 @@ Use VI editing mode in the terminal (default: False)
 Default: False  
 Environment variable: `AIDER_VIM`  
 
+### `--voice-format VOICE_FORMAT`
+Audio format for voice recording (default: wav). webm and mp3 require ffmpeg  
+Default: wav  
+Environment variable: `AIDER_VOICE_FORMAT`  
+
 ### `--voice-language VOICE_LANGUAGE`
 Specify the language for voice using ISO 639-1 code (default: auto)  
 Default: en