#141 Fixed a couple of typos found in README and CONTRIBUTING files.

Author: mepv

5-0-functional-programming/README.md

@@ -17,7 +17,7 @@ Java SE 8+ provides a rich API that enables functional programming features base
 * Stream API
 * Optional API
 
-### At the end of this module you will be ablte to
+### At the end of this module you will be able to
 Write this
 ```java
 public List<Account> findAllGmailAccounts(List<Account> accounts) {
@@ -40,7 +40,7 @@ public List<Account> findAllGmailAccounts(List<Account> accounts) {
 ```
 Among other you will be able to
 * use **Funtional Interfaces** and **Lambdas** in order to **pass around functions** like first-class citizens ✅
-* **process data collections** in a **concise** and **easy to uderstnad** way using **Stream API** ✅
+* **process data collections** in a **concise** and **easy way to understand** using **Stream API** ✅
 * write **null-safe code** using **Optional API** ✅
 
 ### Learn or skip ? 

CONTRIBUTING.MD

@@ -35,7 +35,7 @@ Imagine you need to add a new `methodX()` to the exercise. Here's the list of ac
 4. Push the changes
 5. Checkout `completed`
 6. Create a local branch from `completed` (let's call it `solution branch`)
-7. Merge your `exercise branch` into the `solution brnach`
+7. Merge your `exercise branch` into the `solution branch`
 8. Implement `methodX()` and make sure that tests pass
 9. Commit these changes to the `solution branch`
 10. Push the changes