Fix typos

idioms/on-stack-dyn-dispatch.md

@@ -46,7 +46,7 @@ whole code that follows to work with both `File` or `Stdin`, with all the
 
 The code needs more moving parts than the `Box`-based version:
 
-```
+```rust
 // We still need to ascribe the type for dynamic dispatch.
 let readable: Box<dyn io::Read> = if arg == "-" {
     Box::new(io::stdin())

idioms/rustdoc-init.md

@@ -2,8 +2,8 @@
 
 ## Description
 
-If a struct takes significant effort to initialize, when writing docs it can be quicker to wrap your example with a 
-function the struct as an argument.
+If a struct takes significant effort to initialize, when writing docs, it can be quicker to wrap your example with a 
+function which takes the struct as an argument.
 
 ## Motivation
 Sometimes there is a struct with multiple or complicated parameters and several methods.

patterns/RAII.md

@@ -113,5 +113,5 @@ RAII is a common pattern in C++: [cppreference.com](http://en.cppreference.com/w
 
 [wikipedia]:	https://en.wikipedia.org/wiki/Resource_Acquisition_Is_Initialization
 
-[Style guide enty](http://doc.rust-lang.org/stable/style/ownership/raii.html)
+[Style guide entry](https://doc.rust-lang.org/1.0.0/style/ownership/raii.html)
 (currently just a placeholder).