Reword based on suggestion
@@ -728,7 +728,7 @@ You can install local projects by specifying the project path to pip::
$ pip install path/to/SomeProject
-Until version 20.0, pip did copy the entire project directory to a temporary
+Until version 20.0, pip copied the entire project directory to a temporary
location and installed from there. This approach was the cause of several
performance and correctness issues. As of version 20.1 pip installs from the
local project directory. Depending on the build backend used by the project,
