Update pod spec

Author: lminhtm

Example/Pods/Pods.xcodeproj/project.pbxproj

@@ -10,13 +10,6 @@ Pod::Spec.new do |s|
   s.name             = 'LMDropdownViewSwift'
   s.version          = '1.0.0'
   s.summary          = 'LMDropdownViewSwift is a simple dropdown view inspired by Tappy.'
-
-# This description is used to generate tags and improve search results.
-#   * Think: What does it do? Why did you write it? What is the focus?
-#   * Try to keep it short, snappy and to the point.
-#   * Write the description between the DESC delimiters below.
-#   * Finally, don't worry about the indent, CocoaPods strips it!
-
   s.description      = <<-DESC
 LMDropdownViewSwift is a simple dropdown view inspired by Tappy.
                        DESC
@@ -28,7 +21,7 @@ LMDropdownViewSwift is a simple dropdown view inspired by Tappy.
   s.source           = { :git => 'https://github.com/LMinh/LMDropdownViewSwift.git', :tag => s.version.to_s }
 
   s.ios.deployment_target = '8.0'
-
+  s.swift_version = '5.0'
   s.source_files = 'LMDropdownViewSwift/Classes/**/*'
 
   # s.public_header_files = 'Pod/Classes/**/*.h'