Fix small

CircleSlider.podspec

@@ -1,7 +1,7 @@
 Pod::Spec.new do |s|
 s.name             = "CircleSlider"
 s.version          = "0.1.0"
-s.summary          = "IntervalSlider is a slider library like ReutersTV app. written in pure swift."
+s.summary          = "CircleSlider is a Circular slider library. written in pure swift."
 s.homepage         = "https://github.com/shushutochako/CircleSlider"
 s.license          = 'MIT'
 s.author           = { "shushutochako" => "[email protected]" }