Minor changes and typos in README

Change-Id: If873befbd51f08406faffb0229e5f325f48c9bdd
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/README.md b/README.md
index 751c71c..d84c328 100644
--- a/README.md
+++ b/README.md
@@ -31,7 +31,7 @@
 
 Create a file `envconfig.rc` copying from `envconfig-local.rc` and set the required variables.
 
-```
+```bash
 OSM_HOSTNAME=<OSM_IP_ADDRESS>
 VIM_TARGET=<VIM_REGISTERED_AT_OSM>
 VIM_MGMT_NET=<NAME_OF_THE_MGMT_NETWORK_IN_THE_VIM>
@@ -62,7 +62,7 @@
 docker build -f docker/Dockerfile -t osmtests .
 ```
 
-### Run the tests
+### Run the tests using the built image
 
 ```bash
 export CLOUDS_YAML_FILE="${HOME}/.config/openstack/clouds.yaml"
@@ -95,10 +95,11 @@
 
 Relevant volumes to be mounted are:
 
-- <path_to_reports> [OPTIONAL]: the absolute path to reports location in the host
-- <path_to_clouds.yaml> [OPTIONAL]: the absolute path to the clouds.yaml file in the host
-- <path_to_sdncs.yaml> [OPTIONAL]: the absolute path to the sdncs.yaml file in the host
-- <path_to_kubeconfig> [OPTIONAL]: the kubeconfig file to be used for k8s clusters
+- `-v <path_to_reports>:/robot-systest/reports` [OPTIONAL]: the absolute path to reports location in the host.
+- `-v <path_to_clouds.yaml>:/etc/openstack/clouds.yaml` [OPTIONAL]: the absolute path to the clouds.yaml file in the host
+- `-v <path_to_sdncs.yaml>:/root/port-mapping.yaml` [OPTIONAL]: the absolute path to the sdncs.yaml file in the host
+- `-v <path_to_kubeconfig>:/root/.kube/config`: [OPTIONAL]: the kubeconfig file to be used for testing CNF deployment with the imperative framework (`k8s_xx` tests)
+- `-v <path_to_kubeconfig>:/robot-systest/cluster-kubeconfig.yaml` [OPTIONAL]: the kubeconfig file to be used for testing the declarative framework (cluster registration/de-registration, OKA, KSU) (`gitops_xx` tests)
 
 Other relevant options to run tests are:
 
@@ -129,7 +130,7 @@
 
 Create a file `envconfig.rc` copying from `envconfig-local.rc` and set the required variables (in this case, the use of `export` is mandatory).
 
-```
+```bash
 export OSM_HOSTNAME=<OSM_IP_ADDRESS>
 export VIM_TARGET=<VIM_REGISTERED_AT_OSM>
 export VIM_MGMT_NET=<NAME_OF_THE_MGMT_NETWORK_IN_THE_VIM>
@@ -224,7 +225,7 @@
   So, for instance, you could first deploy a number of network services executing
   the tests with "prepare" tag, migrate to another OSM version, and then
   check the behavior executing with the "verify" tag. Finally, use the "cleanup"
-  tag. 
+  tag.
 
 ## Post-processing Robot output files
 
@@ -234,7 +235,7 @@
 - `log.html`: details about the executed test cases in HTML format
 - `output.xml`: all the test execution results in machine readable XML format
 
-More information about these files [here](https://robotframework.org/robotframework/latest/RobotFrameworkUserGuide.html#output-file).
+More information about these files can be found in the [Robot Framework User Guide](https://robotframework.org/robotframework/latest/RobotFrameworkUserGuide.html#output-file).
 
 It is possible to use the tool `rebot`, included as part of the Robot Framework, to post-process the output file `output.xml`.
 
@@ -252,7 +253,7 @@
 rebot [-d <output_folder>] --merge output1.xml output2.xml ... outputN.xml
 ```
 
-More information about post-processing Robot output files [here](https://robotframework.org/robotframework/latest/RobotFrameworkUserGuide.html#post-processing-outputs)
+More information about post-processing Robot output files [Robot Framework User Guide](https://robotframework.org/robotframework/latest/RobotFrameworkUserGuide.html#post-processing-outputs)
 
 ## Autogeneration of tests
 
@@ -312,8 +313,8 @@
 
 ## Built With
 
-* [Python](www.python.org/) - The language used
-* [Robot Framework](robotframework.org) - The testing framework
+- [Python](www.python.org/) - The language used
+- [Robot Framework](robotframework.org) - The testing framework
 
 ## Contributing
 
@@ -326,4 +327,3 @@
 ## License
 
 This project is licensed under the Apache2 License - see the [LICENSE](LICENSE) file for details
-