Typos - fixes for tutorial and magpi article 5

Author: ethancrawford

etc/doc/articles/magpi/05-Minecraft.md

@@ -112,7 +112,7 @@ incredibly powerful and amazing fun. I use `live_loop`s to perform music
 in nightclubs with Sonic Pi - DJs use discs and I use `live_loop`s :-)
 However, today we're going to live code both music and Minecraft.
 
-Let's get started. Run the code above and start making your grass
+Let's get started. Run the code above and start making your melon
 trail again. Now, without stopping the code, just simply change `:melon` to
 `:brick` and hit run. Hey presto, you're now making a brick trail. How
 simple was that! Fancy some music to go with it? Easy. Try this:

etc/doc/tutorial/en/08.5-Ring-Chains.md

@@ -64,7 +64,7 @@ Here's a list of the available chain methods for you to play with:
 
 * `.reverse` - returns a reversed version of the ring
 * `.sort`    - creates a sorted version of the ring
-* `.shuffle` - creates a shuffled versino of the ring
+* `.shuffle` - creates a shuffled version of the ring
 * `.take(5)` - returns a new ring containing only the first 5 elements
 * `.drop(3)` - returns a new ring with everything but the first 3 elements
 * `.butlast` - returns a new ring with the last element missing