readme

Author: willmcgugan

README.md

@@ -20,8 +20,10 @@ For example:
 TEXTUAL_SPEEDUPS=1 python -m textual
 ```
 
+Note, that you will need the current main version to enable the speedups.
+
 The environment variable is there to discourage use in production.
-In the future, when I am more confident in stability then the environment variable will be used to opt-out of the Rust speedups.
+In the future when I am more confident in stability then the environment variable will be used to opt-out of the Rust speedups.
 
 ## What is faster?
 
@@ -37,4 +39,4 @@ This should add up to a respectable improvement, but until I've written a benchm
 ## Bugs?
 
 All tests pass with speedups enabled, and every app I have tested it against.
-However, it is possibly (even likely) there are edge cases remaining which may result in crashes or subtle differences.
+However, it is possibly (even likely) there are edge cases remaining which may result in crashes or subtle differences.