diff --git a/advanced/scipy_sparse/introduction.rst b/advanced/scipy_sparse/introduction.rst
index c516fde37..95c0891a3 100644
--- a/advanced/scipy_sparse/introduction.rst
+++ b/advanced/scipy_sparse/introduction.rst
@@ -54,7 +54,8 @@ Typical Applications
 * graph theory
     * nonzero at `(i, j)` means that node `i` is connected to node `j`
 * natural language processing
-    * nonzero at `(i, j)` means that the document `i` contents the word `j`
+    * nonzero at `(i, j)` means that the document `i` contains the word `j`
+* ...
 
 Prerequisites
 -------------