Merge pull request #125 from stackhpc/fix-readme-typo

fix: add missing `y` and `backtick`

Author: mnasiadka

README.md

@@ -24,7 +24,7 @@ Before using the collection, you need to install the collection with the `ansibl
 
     ansible-galaxy collection install stackhpc.cephadm
 
-You can also include it in a `requirements.yml` file and install it via ansible-galax collection install -r requirements.yml` using the format:
+You can also include it in a `requirements.yml` file and install it via `ansible-galaxy collection install -r requirements.yml` using the format:
 
 ```yaml
 collections: