[url_launcher] Fix pod lint warnings (#2691)

diff --git a/packages/url_launcher/url_launcher/CHANGELOG.md b/packages/url_launcher/url_launcher/CHANGELOG.md
index e955fb2..5e2b3c0 100644
--- a/packages/url_launcher/url_launcher/CHANGELOG.md
+++ b/packages/url_launcher/url_launcher/CHANGELOG.md
@@ -2,6 +2,7 @@
 
 * Remove Android dependencies fallback.
 * Require Flutter SDK 1.12.13+hotfix.5 or greater.
+* Fix CocoaPods podspec lint warnings.
 
 ## 5.4.4
 
diff --git a/packages/url_launcher/url_launcher/ios/url_launcher.podspec b/packages/url_launcher/url_launcher/ios/url_launcher.podspec
index d3be4d1..c8bba7e 100644
--- a/packages/url_launcher/url_launcher/ios/url_launcher.podspec
+++ b/packages/url_launcher/url_launcher/ios/url_launcher.podspec
@@ -9,9 +9,10 @@
 A Flutter plugin for making the underlying platform (Android or iOS) launch a URL.
                        DESC
   s.homepage         = 'https://github.com/flutter/plugins/tree/master/packages/url_launcher'
-  s.license          = { :file => '../LICENSE' }
-  s.author           = { 'Flutter Team' => 'flutter-dev@googlegroups.com' }
-  s.source           = { :path => '.' }
+  s.license          = { :type => 'BSD', :file => '../LICENSE' }
+  s.author           = { 'Flutter Dev Team' => 'flutter-dev@googlegroups.com' }
+  s.source           = { :http => 'https://github.com/flutter/plugins/tree/master/packages/url_launcher' }
+  s.documentation_url = 'https://pub.dev/packages/url_launcher'
   s.source_files = 'Classes/**/*'
   s.public_header_files = 'Classes/**/*.h'
   s.dependency 'Flutter'
diff --git a/packages/url_launcher/url_launcher_macos/CHANGELOG.md b/packages/url_launcher/url_launcher_macos/CHANGELOG.md
index fc24482..a656853 100644
--- a/packages/url_launcher/url_launcher_macos/CHANGELOG.md
+++ b/packages/url_launcher/url_launcher_macos/CHANGELOG.md
@@ -1,6 +1,7 @@
 # 0.0.1+5
 
 * Fixed the launchUniversalLinkIos method.
+* Fix CocoaPods podspec lint warnings.
 
 # 0.0.1+4
 
diff --git a/packages/url_launcher/url_launcher_macos/macos/url_launcher_macos.podspec b/packages/url_launcher/url_launcher_macos/macos/url_launcher_macos.podspec
index ef6067a..3db112b 100644
--- a/packages/url_launcher/url_launcher_macos/macos/url_launcher_macos.podspec
+++ b/packages/url_launcher/url_launcher_macos/macos/url_launcher_macos.podspec
@@ -9,9 +9,9 @@
   A macOS implementation of the url_launcher plugin.
                        DESC
   s.homepage         = 'https://github.com/flutter/plugins/tree/master/packages/url_launcher/url_launcher_macos'
-  s.license          = { :file => '../LICENSE' }
+  s.license          = { :type => 'BSD', :file => '../LICENSE' }
   s.author           = { 'Flutter Team' => 'flutter-dev@googlegroups.com' }
-  s.source           = { :path => '.' }
+  s.source           = { :http => 'https://github.com/flutter/plugins/tree/master/packages/url_launcher/url_launcher_macos' }
   s.source_files     = 'Classes/**/*'
   s.dependency 'FlutterMacOS'