Fix typo in C++ tutorial: "target that that builds"

Closes #3554.

PiperOrigin-RevId: 165426323
diff --git a/site/docs/tutorial/cpp.md b/site/docs/tutorial/cpp.md
index 9f240f4..3a599df 100644
--- a/site/docs/tutorial/cpp.md
+++ b/site/docs/tutorial/cpp.md
@@ -192,7 +192,7 @@
 
 Then, paste the text into [GraphViz](http://www.webgraphviz.com/).
 
-As you can see, the first stage of the sample project has a single target that
+As you can see, the first stage of the sample project has a single target
 that builds a single source file with no additional dependencies:
 
 ![Dependency graph for 'hello-world'](/assets/cpp-tutorial-stage1.png)