diff --git a/source/core/write-performance.txt b/source/core/write-performance.txt
index a5b74e8952a..c12d28d1830 100644
--- a/source/core/write-performance.txt
+++ b/source/core/write-performance.txt
@@ -34,7 +34,7 @@ information on indexes, see :doc:`/indexes` and
 Document Growth
 ---------------
 
-If an update operation causes a document to exceeds the currently
+If an update operation causes a document to exceed the currently
 allocated :term:`record size`, MongoDB relocates the document on disk
 with enough contiguous space to hold the document. These relocations
 take longer than in-place updates, particularly if the collection has