fix misspelling in overview.md

fix two misspellings in overview.md:
technnology -> technology
standardisation -> standardization

Author: mristok

content/en/docs/concepts/containers/overview.md

@@ -9,9 +9,9 @@ weight: 1
 
 {{% capture overview %}}
 
-Containers are a technnology for packaging the (compiled) code for an
+Containers are a technology for packaging the (compiled) code for an
 application along with the dependencies it needs at run time. Each
-container that you run is repeatable; the standardisation from having
+container that you run is repeatable; the standardization from having
 dependencies included means that you get the same behavior wherever you
 run it.