Update sources/platform/actors/index.mdx

Co-authored-by: Michał Olender <[email protected]>

Author: jancurn

sources/platform/actors/index.mdx

@@ -41,7 +41,7 @@ Basically, Actors are programs packaged as Docker images, which accept a well-de
 
 ## What is an Actor made of?
 
-Actors have the following elements:
+Actors consist of these elements:
 
 - _Dockerfile_ which specifies where the Actor's source code is, how to build it, and run it.
 - _Documentation_ in a form of a README.md file.