Update README.md

Formatting, spelling

src/go/pt-k8s-debug-collector/README.md

@@ -1,8 +1,10 @@
 # Debug collector tool
 
-Collects debug data (logs, resource statuses etc.) from a k8s/opeshift cluster. Data packed into "cluster-dump.tar.gz" archive in the current working directory. 
+Collects debug data (logs, resource statuses etc.) from a k8s/OpenShift cluster. Data is packed into the `cluster-dump.tar.gz` archive in the current working directory. 
 
-### Data that will be collected
+## Data that will be collected
+
+```
 "pods",
 "replicasets",
 "deployments",
@@ -27,18 +29,23 @@ Collects debug data (logs, resource statuses etc.) from a k8s/opeshift cluster.
 "persistentvolumeclaims",
 "persistentvolumes",
 "modes",
-        "your-custom-resource" (depend on 'resource'  flag)
+"your-custom-resource" (depends on 'resource' flag)
 
+## Usage 
 
-### Usage 
 `pt-k8s-debug-collector <flags>`
+
 Flags:
+
 `--resource` targeted custom resource name (default "pxc")
+
 `--namespace` targeted namespace. By default data will be collected from all namespaces
+
 `--cluster` targeted pxc/psmdb cluster. By default data from all available clusters to be collected 
 
-### Requirements
+## Requirements
-Installed and configured 'kubectl'
+
-Installed and configured 'pt-mysql-summary'
+- Installed and configured 'kubectl'
-Installed and configured 'pt-mongodb-summary' 
+- Installed and configured 'pt-mysql-summary'
+- Installed and configured 'pt-mongodb-summary'