more fixes

Author: syedriko

documentation/modules/ROOT/nav.adoc

@@ -4,7 +4,6 @@
 ** xref:01-setup.adoc#kubernetes-cluster[Kubernetes Cluster]
 *** xref:01-setup.adoc#install-knative-minikube[Install with Minikube ]
 **** xref:01-setup.adoc#start-minikube[Configure and Start minikube ]
-**** xref:01-setup.adoc[Install Knative ]
 **** xref:01-setup.adoc#install-knative-istio[Install Istio ]
 **** xref:01-setup.adoc#install-knative-serving[Install Knative Serving ]
 **** xref:01-setup.adoc#install-knative-build[Install Knative Build]

documentation/modules/ROOT/pages/01-setup.adoc

@@ -19,7 +19,7 @@ The following CLI tools are required for running the exercises in this tutorial.
 | https://github.com/minishift/minishift/releases
 |
 
-| https://maven.apacge.org[Apache Maven]
+| https://maven.apache.org[Apache Maven]
 | `brew install maven`
 | `dnf install maven`
 |
@@ -57,7 +57,7 @@ The following CLI tools are required for running the exercises in this tutorial.
 
 [#download-tutorial-sources]
 == Download Tutorial Sources
-Before we start setting up the environment, let's clone the tutorial sources and set the `$TUTORIAL_HOME` environment variable to point to the root directory of the tutorial:
+Before we start setting up the environment, let's clone the tutorial sources and set the `TUTORIAL_HOME` environment variable to point to the root directory of the tutorial:
 
 [source,bash]
 ----
@@ -86,4 +86,4 @@ include::partial$openshift-setup.adoc[]
 [#setup-work-folder]
 == Work folder
 
-The work folder i.e `$TUTORIAL_HOME/work` can be used as a work directory during the build. The README in the work folder as the GitHub repository links of the applications `greeter` and `event-greeter` that will be used in various exercises.
+The work folder i.e `$TUTORIAL_HOME/work` can be used as a work directory during the build. The README in the work folder has the GitHub repository links of the applications `greeter` and `event-greeter` that will be used in various exercises.

documentation/modules/ROOT/pages/index.adoc

@@ -7,6 +7,6 @@ Serverless epitomize the very benefits of what cloud platforms promise: offload
 [.text-right]
 __**Source**__:  https://www.cncf.io/blog/2018/02/14/cncf-takes-first-step-towards-serverless-computing/ 
 
-This tutorial will act as step-by-step guide in helping you to understand Knative starting with setup, understanding fundamentals concepts such as service, configuration, revision etc., and finally deploying some use cases which could help deploying serverless applications at enterprises.
+This tutorial will act as a step-by-step guide in helping you understand Knative, starting with setup, fundamental concepts such as service, configuration, revision etc., and finally deploying some use cases which could help deploying serverless applications at enterprises.
 
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