[CI:DOCS] Fix introduction page typo

Fixes a small typo on the introduction pages.

Fixes: #10042

Signed-off-by: TomSweeneyRedHat <tsweeney@redhat.com>

docs/source/Introduction.rst

@@ -32,7 +32,7 @@ There’s an old saying that “nobody runs an operating system just to run an o
 
 Sometimes we can find a publicly available container image for the exact workload we’re looking for and it will already be packaged exactly how we want. But, more often than not, there’s something that we want to add, remove, or customize. It could be as simple as a configuration setting for security or performance, or as complex as adding a complex workload. Either way, containers make it fairly easy to make the changes we need.
 
-Container Images aren’t actually images, they’re repositories often made up of multiple layers. These layers can easily be added, saved, and shared with others by using a Containerfile (Dockerfile). This single file often contains all the instructions needed to build the new and can easily be shared with others publicly using tools like GitHub.
+Container Images aren’t actually images, they’re repositories often made up of multiple layers. These layers can easily be added, saved, and shared with others by using a Containerfile (Dockerfile). This single file often contains all the instructions needed to build a new container image and can easily be shared with others publicly using tools like GitHub.
 
 Here's an example of how to build a Nginx web server on top of a Debian base image using the Dockerfile maintained by Nginx and published in GitHub::