diff --git a/aider/args.py b/aider/args.py
index 20708b2ad..8b0b2fa0e 100644
--- a/aider/args.py
+++ b/aider/args.py
@@ -361,7 +361,7 @@ def get_parser(default_config_files, git_root):
         "--attribute-commit-message",
         action=argparse.BooleanOptionalAction,
         default=False,
-        help="Prefix commit messages with 'aider: ' (default: False)",
+        help="Prefix commit messages with 'aider: ' if aider authored the changes (default: False)",
     )
     group.add_argument(
         "--commit",
diff --git a/aider/website/assets/sample.aider.conf.yml b/aider/website/assets/sample.aider.conf.yml
index 6489ecac8..8a22224ff 100644
--- a/aider/website/assets/sample.aider.conf.yml
+++ b/aider/website/assets/sample.aider.conf.yml
@@ -170,7 +170,7 @@
 ## Attribute aider commits in the git committer name (default: True)
 #attribute-committer: true
 
-## Prefix commit messages with 'aider: ' (default: False)
+## Prefix commit messages with 'aider: ' if aider authored the changes (default: False)
 #attribute-commit-message: false
 
 ## Commit all pending changes with a suitable commit message, then exit
diff --git a/aider/website/assets/sample.env b/aider/website/assets/sample.env
index e8725b596..3360112bd 100644
--- a/aider/website/assets/sample.env
+++ b/aider/website/assets/sample.env
@@ -174,7 +174,7 @@
 ## Attribute aider commits in the git committer name (default: True)
 #AIDER_ATTRIBUTE_COMMITTER=true
 
-## Prefix commit messages with 'aider: ' (default: False)
+## Prefix commit messages with 'aider: ' if aider authored the changes (default: False)
 #AIDER_ATTRIBUTE_COMMIT_MESSAGE=false
 
 ## Commit all pending changes with a suitable commit message, then exit
diff --git a/aider/website/docs/config/aider_conf.md b/aider/website/docs/config/aider_conf.md
index 4dc49cc3c..be4c17a39 100644
--- a/aider/website/docs/config/aider_conf.md
+++ b/aider/website/docs/config/aider_conf.md
@@ -209,7 +209,7 @@ cog.outl("```")
 ## Attribute aider commits in the git committer name (default: True)
 #attribute-committer: true
 
-## Prefix commit messages with 'aider: ' (default: False)
+## Prefix commit messages with 'aider: ' if aider authored the changes (default: False)
 #attribute-commit-message: false
 
 ## Commit all pending changes with a suitable commit message, then exit
diff --git a/aider/website/docs/config/dotenv.md b/aider/website/docs/config/dotenv.md
index 6fa8cb126..c5ae2c2ea 100644
--- a/aider/website/docs/config/dotenv.md
+++ b/aider/website/docs/config/dotenv.md
@@ -216,7 +216,7 @@ cog.outl("```")
 ## Attribute aider commits in the git committer name (default: True)
 #AIDER_ATTRIBUTE_COMMITTER=true
 
-## Prefix commit messages with 'aider: ' (default: False)
+## Prefix commit messages with 'aider: ' if aider authored the changes (default: False)
 #AIDER_ATTRIBUTE_COMMIT_MESSAGE=false
 
 ## Commit all pending changes with a suitable commit message, then exit
diff --git a/aider/website/docs/config/options.md b/aider/website/docs/config/options.md
index 67b3b3d97..e946816dc 100644
--- a/aider/website/docs/config/options.md
+++ b/aider/website/docs/config/options.md
@@ -332,7 +332,7 @@ Aliases:
   - `--no-attribute-committer`
 
 ### `--attribute-commit-message`
-Prefix commit messages with 'aider: ' (default: False)  
+Prefix commit messages with 'aider: ' if aider authored the changes (default: False)  
 Default: False  
 Environment variable: `AIDER_ATTRIBUTE_COMMIT_MESSAGE`  
 Aliases:
diff --git a/aider/website/docs/git.md b/aider/website/docs/git.md
index e863c6053..cb955dacd 100644
--- a/aider/website/docs/git.md
+++ b/aider/website/docs/git.md
@@ -55,5 +55,6 @@ Aider marks commits that it either authored or committed.
 You can use `--no-attribute-author` and `--no-attribute-committer` to disable
 modification of the git author and committer name fields.
 
-Additionally, you can use `--attribute-commit-message` to prefix commit messages with 'aider: '.
-This option is disabled by default, but can be useful for easily identifying commits made by aider.
+Additionally, you can use `--attribute-commit-message` to have
+aider prefix commit messages with 'aider: ' if it has authored the changes.
+This option is disabled by default, but can be useful for easily identifying changes made by aider.