diff --git a/docs/contents/examples/index.md b/docs/contents/examples/index.md
index f50b69ea4..c442652ea 100644
--- a/docs/contents/examples/index.md
+++ b/docs/contents/examples/index.md
@@ -80,6 +80,6 @@ The PDF.js can accept any decoded base64 data as an array.
 ### Previous/Next example
 
 The same canvas cannot be used to perform to draw two pages at the same time --
-the example demonstrate how to wait on previous operation to be complete.
+the example demonstrates how to wait on previous operation to be complete.
 
 <script async src="//jsfiddle.net/pdfjs/wagvs9Lf/embed/js,html,result/"></script>