Update overview.md

Author: markfirmware

machine/overview.md

@@ -51,7 +51,7 @@ Docker Machine has these two broad use cases.
 
   ![Docker Machine on Mac and Windows](img/machine-mac-win.png){: .white-bg}
 
-  If you work primarily on an older Mac or Windows laptop or desktop that doesn't meet the requirements for the new [Docker for Mac](/docker-for-mac/index.md) and [Docker for Windows](/docker-for-windows/index.md) apps, then you need Docker Machine run Docker Engine locally. Installing Docker Machine on a Mac or Windows box with the [Docker Toolbox](/toolbox/overview.md) installer provisions a local virtual machine with Docker Engine, gives you the ability to connect it, and run `docker` commands.
+  If you work primarily on an older Mac or Windows laptop or desktop that doesn't meet the requirements for the new [Docker for Mac](/docker-for-mac/index.md) and [Docker for Windows](/docker-for-windows/index.md) apps, then you need Docker Machine to run Docker Engine locally. Installing Docker Machine on a Mac or Windows box with the [Docker Toolbox](/toolbox/overview.md) installer provisions a local virtual machine with Docker Engine, gives you the ability to connect it, and run `docker` commands.
 
 *  **I want to provision Docker hosts on remote systems**