diff --git a/unit4/unit4.ipynb b/unit4/unit4.ipynb
index a89c870..97963b1 100644
--- a/unit4/unit4.ipynb
+++ b/unit4/unit4.ipynb
@@ -433,7 +433,7 @@
         "\n",
         "\n",
         "\n",
-        "> It will fail first time when you use `--resume`, try runign the block again to bypass the error. \n",
+        "> It will fail first time when you use `--resume`, try running the block again to bypass the error. \n",
         "\n"
       ]
     },
@@ -764,4 +764,4 @@
   },
   "nbformat": 4,
   "nbformat_minor": 0
-}
\ No newline at end of file
+}