fix a typo; change the description in _config.yml

Author: gitcheng

_config.yml

@@ -6,7 +6,7 @@
 name: Random thoughts 隨便寫寫
 
 # Short bio or description (displayed in the header)
-description: by a scientist with a wandering mind
+description: a wandering mind
 
 # URL of your avatar or profile pic (you could use your GitHub profile pic)
 avatar: https://avatars3.githubusercontent.com/u/1696423?v=2&s=460

_posts/2015-01-24-golden-ratio-and-fibonacci-numbers.md

@@ -120,7 +120,7 @@ cut it anymore.
 
 It can be shown that to cut this rectangular forever, the only ratio
 you can start with is the golden ratio. If you start with a ratio of two
-adjacent Fibonacci numbers (can be very close to the godel ratio but not
+adjacent Fibonacci numbers (can be very close to the goden ratio but not
 exactly), you will end up with [a square (or two)](http://www.mathsisfun.com/numbers/images/fibonacci-spiral.gif),
 that is, the ratio of the sides is $$a_2/a_1$$.