diff --git a/02-array-seq/array-seq.ipynb b/02-array-seq/array-seq.ipynb
index afdbf6b..f301aef 100644
--- a/02-array-seq/array-seq.ipynb
+++ b/02-array-seq/array-seq.ipynb
@@ -272,7 +272,7 @@
     }
    ],
    "source": [
-    "shirts = [(color, size) for size in sizes\n",
+    "tshirts = [(color, size) for size in sizes\n",
     "          for color in colors]\n",
     "tshirts"
    ]
@@ -2803,4 +2803,4 @@
  },
  "nbformat": 4,
  "nbformat_minor": 2
-}
\ No newline at end of file
+}