update note

Author: mununki

cli/JSXV4.md

@@ -29,7 +29,7 @@ To build certain dependencies in V3 compatibility mode, whatever the version use
 
 In V3 compatibility mode, the listed dependencies are built in V3 mode, and in addition `-open ReatcV3` is added to the compiler options, so that the `ReactV3` compatibility module in rescript-react is used.
 
-> Note that `@rescript/react` is not necessary adding in the `v3-dependencies`, or it would make the cyclic dependencies error.
+> Note: do not add @rescript/reactin the v3-dependencies, or it will cause a cyclic dependencies error.
 
 ### Classic and Automatic Mode