Change Task titles to imperative: Tools. (#4023)

docs/tasks/tools/install-minikube.md

@@ -1,5 +1,5 @@
 ---
-title: Installing Minikube
+title: Install Minikube
 ---
 
 {% capture overview %}
@@ -16,7 +16,7 @@ VT-x or AMD-v virtualization must be enabled in your computer's BIOS.
 
 {% capture steps %}
 
-## Installing a Hypervisor
+## Install a Hypervisor
 
 If you do not already have a hypervisor installed, install one now.
 
@@ -33,11 +33,11 @@ If you do not already have a hypervisor installed, install one now.
 [VirtualBox](https://www.virtualbox.org/wiki/Downloads) or
 [Hyper-V](https://msdn.microsoft.com/en-us/virtualization/hyperv_on_windows/quick_start/walkthrough_install).
 
-## Installing kubectl
+## Install kubectl
 
 * [Install kubectl](/docs/tasks/tools/install-kubectl/).
 
-## Installing Minikube
+## Install Minikube
 
 * Install Minikube according to the instructions for the
 [latest release](https://github.com/kubernetes/minikube/releases).