Update Readme (#11)

README.md

@@ -8,12 +8,12 @@ A JavaScript caching library for reducing build time.
 **⚙️ Fully configurable**: Smart defaults with cross-package and per-package
 configuration and environment variable overrides
 
-_backfill is under active development and should not be used in production, yet.
-We will keep iterating on it until it is proven stable. We will then look into
-various customization strategies, expanding customization, and adding an API for
-only running scripts in packages that have changed and skip others altogether.
-This is particularly useful for testing and other dev tools that don't need to
-run if nothing has changed._
+_backfill is under active development and should probably not be used in
+production, yet. We will initially focus on stability improvements. We will then
+look into various optimization strategies, adding more customization, and
+introducing an API for only running scripts in packages that have changed and
+skipping others altogether. This is particularly useful for tests (such as jets)
+and for other dev tools that simply don't need to run if nothing has changed._
 
 ## Why
 

packages/backfill/README.md

@@ -8,12 +8,12 @@ A JavaScript caching library for reducing build time.
 **⚙️ Fully configurable**: Smart defaults with cross-package and per-package
 configuration and environment variable overrides
 
-_backfill is under active development and should not be used in production, yet.
-We will keep iterating on it until it is proven stable. We will then look into
-various customization strategies, expanding customization, and adding an API for
-only running scripts in packages that have changed and skip others altogether.
-This is particularly useful for testing and other dev tools that don't need to
-run if nothing has changed._
+_backfill is under active development and should probably not be used in
+production, yet. We will initially focus on stability improvements. We will then
+look into various optimization strategies, adding more customization, and
+introducing an API for only running scripts in packages that have changed and
+skipping others altogether. This is particularly useful for tests (such as jets)
+and for other dev tools that simply don't need to run if nothing has changed._
 
 ## Why