doc(interface-types) Fix typos.

Cargo.toml

@@ -12,8 +12,8 @@ nom = "5.1"
 wast = "8.0"
 
 # `serde` is useful only to simplify the users' life. It is not
-# required by WIT itself, is is used to transform WIT values like
-# `record`s to Rust sum types.
+# required by WIT itself, is is used to cross the boundary between the
+# host and WIT more easily, but it is not used inside Wasm.
 serde = { version = "1.0", features = ["derive"], optional = true }
 
 [features]

src/ast.rs

@@ -53,7 +53,7 @@ pub enum InterfaceType {
     Record(RecordType),
 }
 
-/// Representing a record type.
+/// Represents a record type.
 #[derive(PartialEq, Debug, Clone)]
 pub struct RecordType {
     /// Types representing the fields.

src/decoders/binary.rs

@@ -106,7 +106,7 @@ fn ty<'input, E: ParseError<&'input [u8]>>(
     Ok((input, ty))
 }
 
-/// Parse an record type.
+/// Parse a record type.
 fn record_type<'input, E: ParseError<&'input [u8]>>(
     input: &'input [u8],
 ) -> IResult<&'input [u8], RecordType, E> {