diff --git a/notebooks/external-datasets/ndbc-great-lakes.ipynb b/notebooks/external-datasets/ndbc-great-lakes.ipynb
index 39bd084655..c15b37d782 100644
--- a/notebooks/external-datasets/ndbc-great-lakes.ipynb
+++ b/notebooks/external-datasets/ndbc-great-lakes.ipynb
@@ -1259,7 +1259,7 @@
     "\n",
     "* [NDBC](https://pypi.org/project/NDBC/) A pacakge to simplify to retrieval and parsing of NOAA NDBC data.\n",
     "\n",
-    "* [seebuoy](https://www/seebuoy.com) Easily access real time and historical data from the National Data Buoy Center.\n",
+    "* [seebuoy](https://www.seebuoy.com) Easily access real time and historical data from the National Data Buoy Center.\n",
     "     - [GitHub](https://github.com/nickc1/seebuoy)\n",
     "  "
    ]