diff --git a/src/vanna/base/base.py b/src/vanna/base/base.py
index 696ad681..db6b92a4 100644
--- a/src/vanna/base/base.py
+++ b/src/vanna/base/base.py
@@ -1167,7 +1167,7 @@ def connect_to_oracle(
         vn.connect_to_oracle(
         user="username",
         password="password",
-        dns="host:port/sid",
+        dsn="host:port/sid",
         )
         ```
         Args: