docs(error): panic fixes

Co-authored-by: Christoph Knittel <christoph@knittel.cc>

Author: glennsl

src/Core__Error.resi

@@ -159,8 +159,8 @@ external raise: t => 'a = "%raise"
 /**
 Raises a panic exception with the given message.
 
-A panic is a native JavaScript exception that is not intended to be caught and
-handled. Compared to OCaml exception this will give a better stack tarce and
+A panic exception is a native JavaScript exception that is not intended to be caught and
+handled. Compared to an OCaml exception this will give a better stack trace and
 debugging experience.
 
 ## Examples