diff --git a/py-polars/polars/expr/datetime.py b/py-polars/polars/expr/datetime.py
index 10447630bfff..83a8967bdb0e 100644
--- a/py-polars/polars/expr/datetime.py
+++ b/py-polars/polars/expr/datetime.py
@@ -60,7 +60,7 @@ def truncate(
 
             .. deprecated:: 0.20.19
                 This argument is deprecated and will be removed in the next breaking
-                release. Instead, chain `dt.truncate()` with `.dt.offset()`.
+                release. Instead, chain `dt.truncate` with `dt.offset_by`.
         use_earliest
             Determine how to deal with ambiguous datetimes: