[agola-helm][gh-pages] Update README.md

Signed-off-by: babykart <babykart@gmail.com>

README.md

@@ -1,6 +1,6 @@
 ## Usage
 
-[Helm](https://helm.sh) must be installed to use the charts. Please refer to
+[Helm](https://helm.sh) must be installed to use the charts.  Please refer to
 Helm's [documentation](https://helm.sh/docs) to get started.
 
 Once Helm has been set up correctly, add the repo as follows:
@@ -11,7 +11,7 @@ helm repo add agola-helm https://babykart.github.io/agola-helm
 
 If you had already added this repo earlier, run `helm repo update` to retrieve
 the latest versions of the packages.  You can then run `helm search repo
-<alias>` to see the charts.
+agola-helm` to see the charts.
 
 To install the agola chart: