Fix spelling error

Fixes a spelling error on the landing page

content/en/_index.html

@@ -32,7 +32,7 @@ giving you scalable, serverless, cloud native execution out of the box.
 
 
 {{% blocks/feature icon="fas fa-feather" title="Maximum flexibility" %}}
-Tekton abstracts underlying implmententation so that you can choose the build,
+Tekton abstracts the underlying implementation so that you can choose the build,
 test, and deploy workflow based on your team's requirements.
 {{% /blocks/feature %}}