Fix typos in 05 and 08

Author: BBlackwo

05_vectors_and_result_enum.md

@@ -102,7 +102,7 @@ Crashing your program is probably not the best way to handle an error, unless yo
 For now we'll use the `unwrap` method.
 We'll explore different ways of handling a `Result` and doing proper error handling later on in this course.
 
-For now, let's our function so that we are actually working with the underlying vector of bytes and not the wrapped `Result` type:
+For now, let's update our function so that we are actually working with the underlying vector of bytes and not the wrapped `Result` type:
 
 ```rust
 fn read_version(transaction_hex: &str) -> u32 {

08_traits_and_reading_bytes.md

@@ -91,7 +91,7 @@ pub trait Read {
 
 You'll notice there's no function body, just the signature.
 It means the `read` method itself is not actually implemented with any logic in the trait declaration.
-We expect the types that "implement" this trait to aactually provide the function logic for any *required* method, or trait methods, that have no implementation.
+We expect the types that "implement" this trait to actually provide the function logic for any *required* method, or trait methods, that have no implementation.
 
 A trait can also provide other methods that a type can get access to once it has implemented the trait.
 These are known as *provided* methods and are considered *default* implementations since they can also be overwritten.