diff --git a/README.md b/README.md
index 2bdfeac..337a51d 100644
--- a/README.md
+++ b/README.md
@@ -49,7 +49,7 @@ print(result.content)  # JSON rows
 tools["hotdata_create_managed_database"].call(
     name="sales",
     schema_name="public",
-    tables="orders\ncustomers",
+    tables="orders,customers",
 )
 
 tools["hotdata_load_managed_table"].call(
diff --git a/hotdata_llamaindex/tools.py b/hotdata_llamaindex/tools.py
index 58b6d49..ad46de4 100644
--- a/hotdata_llamaindex/tools.py
+++ b/hotdata_llamaindex/tools.py
@@ -58,8 +58,8 @@ def hotdata_create_managed_database(
         schema_name: str = DEFAULT_SCHEMA,
         tables: str = "",
     ) -> str:
-        """Create a Hotdata-managed database and optionally declare tables (one per line)."""
-        table_names = [line.strip() for line in tables.splitlines() if line.strip()]
+        """Create a Hotdata-managed database and optionally declare tables (comma or newline separated)."""
+        table_names = [t.strip() for t in tables.replace(",", "\n").splitlines() if t.strip()]
         db = create_managed_database(
             client,
             name=name,