Merge pull request #209 from ydah/fix_typos

Fix some typos

Author: etagwerker

CONTRIBUTING.md

@@ -4,7 +4,7 @@ If you find any typos, errors, or have an better example. Just raise a new issue
 
 <3
 
-These idioms list here are trying to satisfiy following goals:
+These idioms list here are trying to satisfy following goals:
 
 [![GOALS](/images/Goals.png)](https://speakerdeck.com/sferik/writing-fast-ruby?slide=11)
 

README.md

@@ -152,7 +152,7 @@ using an if statement:  8123851.3 i/s
   String#constantize:  2462371.2 i/s - 3.30x  (± 0.00) slower
 ```
 
-##### `raise` vs `E2MM#Raise` for raising (and defining) exeptions  [code](code/general/raise-vs-e2mmap.rb)
+##### `raise` vs `E2MM#Raise` for raising (and defining) exceptions  [code](code/general/raise-vs-e2mmap.rb)
 
 Ruby's [Exception2MessageMapper module](http://ruby-doc.org/stdlib-2.2.0/libdoc/e2mmap/rdoc/index.html) allows one to define and raise exceptions with predefined messages.