diff --git a/crawl4ai/cli.py b/crawl4ai/cli.py
index 4473cd54c..068e68b1a 100644
--- a/crawl4ai/cli.py
+++ b/crawl4ai/cli.py
@@ -1021,7 +1021,7 @@ def cdp_cmd(user_data_dir: Optional[str], port: int, browser_type: str, headless
 @click.option("--schema", "-s", type=click.Path(exists=True), help="JSON schema for extraction")
 @click.option("--browser", "-b", type=str, callback=parse_key_values, help="Browser parameters as key1=value1,key2=value2")
 @click.option("--crawler", "-c", type=str, callback=parse_key_values, help="Crawler parameters as key1=value1,key2=value2")
-@click.option("--output", "-o", type=click.Choice(["all", "json", "markdown", "md", "markdown-fit", "md-fit"]), default="all")
+@click.option("--output", "-o", type=click.Choice(["all", "json", "markdown", "md", "markdown-fit", "md-fit"]), default="all", help="json = extracted data only (needs -j or -e). Use 'all' (default) for the full crawl result.")
 @click.option("--output-file", "-O", type=click.Path(), help="Output file path (default: stdout)")
 @click.option("--bypass-cache", "-bc", is_flag=True, default=True, help="Bypass cache when crawling")
 @click.option("--question", "-q", help="Ask a question about the crawled content")
@@ -1579,7 +1579,7 @@ def shrink_cmd(profile_name: str, level: str, dry_run: bool):
 @click.option("--schema", "-s", type=click.Path(exists=True), help="JSON schema for extraction")
 @click.option("--browser", "-b", type=str, callback=parse_key_values, help="Browser parameters as key1=value1,key2=value2")
 @click.option("--crawler", "-c", type=str, callback=parse_key_values, help="Crawler parameters as key1=value1,key2=value2")
-@click.option("--output", "-o", type=click.Choice(["all", "json", "markdown", "md", "markdown-fit", "md-fit"]), default="all")
+@click.option("--output", "-o", type=click.Choice(["all", "json", "markdown", "md", "markdown-fit", "md-fit"]), default="all", help="json = extracted data only (needs -j or -e). Use 'all' (default) for the full crawl result.")
 @click.option("--bypass-cache", is_flag=True, default=True, help="Bypass cache when crawling")
 @click.option("--question", "-q", help="Ask a question about the crawled content")
 @click.option("--verbose", "-v", is_flag=True)