Undo phrasing change

Author: ivov

docs/lifecycle.md

@@ -4,7 +4,7 @@
 
 The purpose of the launcher is to minimize resource use by launching a runner on demand. 
 
-In short, the launcher impersonates a task runner until a task is ready for pickup, then it launches a runner to run the task, and after the runner has automatically shut down, the launcher will re-launch a runner once the next task is ready for pickup. The launcher follows this cycle independently for every runner type (i.e., language) configured to run.
+To do so, the launcher impersonates a task runner until a task is ready for pickup, then it launches a runner to run the task, and after the runner has automatically shut down, the launcher will re-launch a runner once the next task is ready for pickup. The launcher follows this cycle independently for every runner type (i.e., language) configured to run.
 
 ## Step by step