diff --git a/examples/operator/poisson_1d_pideeponet.py b/examples/operator/poisson_1d_pideeponet.py
index 4310b503e..1b14fa035 100755
--- a/examples/operator/poisson_1d_pideeponet.py
+++ b/examples/operator/poisson_1d_pideeponet.py
@@ -1,4 +1,4 @@
-"""Backend supported: tensorflow.compat.v1, tensorflow, pytorch"""
+"""Backend supported: tensorflow.compat.v1, tensorflow, pytorch, paddle"""
 import deepxde as dde
 import matplotlib.pyplot as plt
 import numpy as np
diff --git a/examples/pinn_forward/heat_resample.py b/examples/pinn_forward/heat_resample.py
index 464a97f28..6dfc22e37 100755
--- a/examples/pinn_forward/heat_resample.py
+++ b/examples/pinn_forward/heat_resample.py
@@ -1,4 +1,4 @@
-"""Backend supported: tensorflow.compat.v1, tensorflow, pytorch"""
+"""Backend supported: tensorflow.compat.v1, tensorflow, pytorch, paddle"""
 import deepxde as dde
 import numpy as np