diff --git a/arxiv-matplotlib.ipynb b/arxiv-matplotlib.ipynb
index 452f6bb..3f78673 100644
--- a/arxiv-matplotlib.ipynb
+++ b/arxiv-matplotlib.ipynb
@@ -15,7 +15,7 @@
     "\n",
     "*\"About 15% of arXiv papers use Matplotlib\"*\n",
     "\n",
-    "arXiv is the preeminent repository for scholarly prepreint articles.  It stores millions of journal articles used across science.  It's also public access, and so we can just scrape the entire thing given enough compute power.\n",
+    "arXiv is the preeminent repository for scholarly preprint articles.  It stores millions of journal articles used across science.  It's also public access, and so we can just scrape the entire thing given enough compute power.\n",
     "\n",
     "## Watermark\n",
     "\n",