Update README.md

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Author: isaacsas

README.md

@@ -23,9 +23,9 @@ including higher-level SciML packages (e.g., for sensitivity analysis, parameter
 estimation, machine learning applications, etc.).
 
 ## Note for version 8.0
-Version 8.0 is a breaking release, moving to the Catalyst module the basic
+Version 8.0 is a breaking release, moving to Catalyst the basic
 reaction system functionality that was previously in ModelingToolkit (i.e.
-`ReactionSystem`, `Reaction`, and other function). 
+`ReactionSystem`, `Reaction`, and other functions). 
 
 ## New as of 6.11
 *1.* Plain text arrows "<--" and "<-->" for backward and reversible reactions are