cmd/compile/internal/types2: fix some typos in rawLookupFieldOrMethod

Change-Id: Ibc04a82b1d618deeb9bc168ba518dbf1d752fba7
Reviewed-on: https://go-review.googlesource.com/c/go/+/311456
Trust: Robert Findley <[email protected]>
Run-TryBot: Robert Findley <[email protected]>
TryBot-Result: Go Bot <[email protected]>
Reviewed-by: Robert Griesemer <[email protected]>

Author: findleyr

src/cmd/compile/internal/types2/lookup.go

@@ -206,8 +206,8 @@ func (check *Checker) rawLookupFieldOrMethod(T Type, addressable bool, pkg *Pack
 				}
 				if obj == nil {
 					// At this point we're not (yet) looking into methods
-					// that any underlyng type of the types in the type list
-					// migth have.
+					// that any underlying type of the types in the type list
+					// might have.
 					// TODO(gri) Do we want to specify the language that way?
 				}
 			}