diff --git a/lab1/Part1_TensorFlow.ipynb b/lab1/Part1_TensorFlow.ipynb
index 25e4894e..c571ba44 100644
--- a/lab1/Part1_TensorFlow.ipynb
+++ b/lab1/Part1_TensorFlow.ipynb
@@ -170,7 +170,7 @@
         "\n",
         "assert isinstance(images, tf.Tensor), \"matrix must be a tf Tensor object\"\n",
         "assert tf.rank(images).numpy() == 4, \"matrix must be of rank 4\"\n",
-        "assert tf.shape(images).numpy().tolist() == [10, 256, 256, 3], \"matrix is incorrect shape\""
+        "assert tf.shape(images).numpy().tolist() == [10, 256, 256, 3], \"images has incorrect shape\""
       ]
     },
     {
@@ -695,4 +695,4 @@
   },
   "nbformat": 4,
   "nbformat_minor": 0
-}
\ No newline at end of file
+}