Add spaces to custom content headers

generator/README.md

@@ -26,7 +26,7 @@ make SIG=sig-testing gen-doc
 
 where the `SIG` var refers to the directory being built.
 
-## Adding custom content to your SIG's README
+## Adding custom content to your SIG's README
 
 If your SIG wishes to add custom content, you can do so by placing it within
 the following code comments:

sig-auth/README.md

@@ -25,7 +25,7 @@ Meeting notes and Agenda can be found [here](https://docs.google.com/document/d/
 * [Mailing list](https://groups.google.com/forum/#!forum/kubernetes-sig-auth)
 
 <!-- BEGIN CUSTOM CONTENT -->
-## Goals
+## Goals
 * Discuss improvements Kubernetes Authorization and Authentication, and cluster security policy.
 
 ## Non-goals

sig-autoscaling/README.md

@@ -24,7 +24,7 @@ Meeting notes and Agenda can be found [here](https://docs.google.com/document/d/
 * [Mailing list](https://groups.google.com/forum/#!forum/kubernetes-sig-autoscaling)
 
 <!-- BEGIN CUSTOM CONTENT -->
-## Concerns
+## Concerns
 * autoscaling of clusters,
 * horizontal and vertical autoscaling of pods,
 * setting initial resources for pods,

sig-big-data/README.md

@@ -24,14 +24,12 @@ Meeting notes and Agenda can be found [here](https://docs.google.com/document/d/
 
 <!-- BEGIN CUSTOM CONTENT -->
 ## Goals
-
 * Design and architect ways to run big data applications effectively on Kubernetes
 * Discuss ongoing implementation efforts
 * Discuss resource sharing and multi-tenancy (in the context of big data applications)
 * Suggest Kubernetes features where we see a need
 
 ## Non-goals
-
 * Endorsing any particular tool/framework
 <!-- END CUSTOM CONTENT -->