Update README.md to fix typos in Markdown format

Change-Id: Iadf38c6a2542754f65e748268e108971c348bbe7
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/README.md b/README.md
index a106c0b..80fae03 100644
--- a/README.md
+++ b/README.md
@@ -27,7 +27,7 @@
 
 ### Create folder
 
-´´´bash
+```bash
 mkdir osm
 cd osm
 ```
@@ -48,7 +48,7 @@
 
 If needed, update code in the repos. An example for N2VC is shown below
 
-```
+```bash
 cd N2VC
 git pull "https://osm.etsi.org/gerrit/osm/N2VC" refs/changes/22/14222/2
 cd ..
@@ -107,6 +107,7 @@
 helm3 -n osm upgrade --reuse-values --set lcm.image.repository="your-registry/osm/osm-testing/opensourcemano/lcm" --set lcm.image.tag="myfeature" osm ./helm-chart-dir
 helm3 -n osm status osm
 kubectl -n osm get all
+```
 
 ### Test OSM Helm Chart independently
 
@@ -121,3 +122,4 @@
 kubectl -n osm get all
 kubectl -n osm get ingress
 ```
+