update interpolation promotion description about macro argument types

Author: RandomHashTags

README.md

@@ -147,7 +147,7 @@ Using String Interpolation.
 > 
 > Its up to you whether or not to suppress this warning or escape the HTML at runtime using a method described above.
 > 
-> Swift HTMLKit tries to [promote](https://github.com/RandomHashTags/swift-htmlkit/blob/94793984763308ef5275dd9f71ea0b5e83fea417/Sources/HTMLKitMacros/HTMLElement.swift#L423) known interpolation at compile time with an equivalent `StaticString` for the best performance. It is currently limited due to macro expansions being sandboxed and lexical contexts/AST not being available for macro arguments. This means referencing content known at compile time in a html macro won't get replaced by its literal contents. [Read more about this limitation](https://forums.swift.org/t/swift-lexical-lookup-for-referenced-stuff-located-outside-scope-current-file/75776/6).
+> Swift HTMLKit tries to [promote](https://github.com/RandomHashTags/swift-htmlkit/blob/94793984763308ef5275dd9f71ea0b5e83fea417/Sources/HTMLKitMacros/HTMLElement.swift#L423) known interpolation at compile time with an equivalent `StaticString` for the best performance. It is currently limited due to macro expansions being sandboxed and lexical contexts/AST not being available for the macro argument types. This means referencing content in an html macro won't get promoted to its expected value. [Read more about this limitation](https://forums.swift.org/t/swift-lexical-lookup-for-referenced-stuff-located-outside-scope-current-file/75776/6).
 
 #### Example
 

Sources/HTMLKitUtilities/HTMLEncoding.swift

@@ -9,7 +9,7 @@
 /// 
 /// ### Interpolation Promotion
 /// Swift HTMLKit tries to [promote](https://github.com/RandomHashTags/swift-htmlkit/blob/94793984763308ef5275dd9f71ea0b5e83fea417/Sources/HTMLKitMacros/HTMLElement.swift#L423) known interpolation at compile time with an equivalent string literal for the best performance, regardless of encoding.
-/// It is currently limited due to macro expansions being sandboxed and lexical contexts/AST not being available for macro arguments.
+/// It is currently limited due to macro expansions being sandboxed and lexical contexts/AST not being available for the macro argument types.
 /// This means referencing content in an html macro won't get promoted to its expected value.
 /// [Read more about this limitation](https://forums.swift.org/t/swift-lexical-lookup-for-referenced-stuff-located-outside-scope-current-file/75776/6).
 ///