diff --git a/docs/changelogs/1.2.0.md b/docs/changelogs/1.2.0.md
index 5e7344f..12601f9 100644
--- a/docs/changelogs/1.2.0.md
+++ b/docs/changelogs/1.2.0.md
@@ -2,6 +2,7 @@
 
 :octicons-issue-opened-24: Issue Ref | :fontawesome-solid-thumbtack: Summary | :material-message-text: Description
 -|-|-
+[No Ref] | Fix `csv_reader` documentation | Fix wrong parameter in `csv_reader` example documentation.
 
 
 ## Enhancements
diff --git a/onecode/elements/input/csv_reader.py b/onecode/elements/input/csv_reader.py
index 292cc73..773e2b4 100644
--- a/onecode/elements/input/csv_reader.py
+++ b/onecode/elements/input/csv_reader.py
@@ -61,7 +61,7 @@ def __init__(
                 value="/path/to/file.csv",
                 label="My CSV Reader",
                 tags=['CSV'],
-                delimiter=","
+                sep=","
             )
 
             pd.testing.assert_frame_equal(widget, pd.read_csv("/path/to/file.csv"))