Replaces Devfile's with Devfiles

docs/website/blog/2022-05-02-odo-v3-alpha1.md

@@ -174,7 +174,7 @@ The `starterProjects` section at the end of the Devfile indicates a list of star
 
 We can see through the previous example that a Devfile is generic enough, with only a few specific values, like the endpoints and the image names. A Devfile written for a specific language and framework can be used by most of the programs written using this language and framework, with minimum personalization.
 
-A Devfile registry is available at https://registry.devfile.io, containing Devfile's for a large variety of languages and frameworks, and you can deploy your own registry to make accessible your own Devfile's.
+A Devfile registry is available at https://registry.devfile.io, containing Devfiles for a large variety of languages and frameworks, and you can deploy your own registry to make accessible your own Devfiles.
 
 ## Introducing `odo` v3
 
@@ -184,7 +184,7 @@ You can find the instructions to install `odo` v3-alpha1 from [this release page
 
 The `odo init` command is the first command to use, before starting to use `odo` with your project. The goal of this first step is to get a suitable Devfile for your project.
 
-`odo init` will search for Devfile's in the Devfile registries. By default, `odo` is configured to access only one Devfile registry (the one specified above), and you can modify the Devfile registries `odo` is accessing using the command `odo preference registry`.
+`odo init` will search for Devfiles in the Devfile registries. By default, `odo` is configured to access only one Devfile registry (the one specified above), and you can modify the Devfile registries `odo` is accessing using the command `odo preference registry`.
 
 This `odo init` command offers two modes, either interactive, or manual. The interactive mode will help you discover the appropriate Devfile. To use the interactive mode, you just need to enter `odo init` in your command line.