diff --git a/speeds3.ipynb b/speeds3.ipynb
index 54163fe..2f583f4 100644
--- a/speeds3.ipynb
+++ b/speeds3.ipynb
@@ -94,7 +94,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "Here we specify the General Transit Feed Specification (GTFS) feed for the public transportation agency we want to analyse. Then we can look at the routes in that feed."
+    "Here we specify the General Transit Feed Specification (GTFS) feed for the public transportation agency we want to analyze. Then we can look at the routes in that feed."
    ]
   },
   {