diff --git a/notebooks/download_planet.ipynb b/notebooks/download_planet.ipynb
index 7b85a0b..e3ac7d8 100644
--- a/notebooks/download_planet.ipynb
+++ b/notebooks/download_planet.ipynb
@@ -26,7 +26,7 @@
     "\n",
     "#Authenticate Planet\n",
     "with open(path_to_api_key) as f:\n",
-    "    pl_api_key = f.read(1)\n",
+    "    pl_api_key = f.readline()\n",
     "    auth = Auth.from_key(pl_api_key)\n",
     "    auth.store()"
    ]