Update source.md, finx typos

Author: Bob Conan

source.md

@@ -137,7 +137,7 @@ If you appreciate the content 📖, support projects visibility, give 👍| ⭐|
 - [Boring Show](https://www.youtube.com/watch?v=CPmN4-i9zC8&list=PLOU2XLYxmsIK0r_D-zWcmJ1plIcDNnRkK) - Exploration with the Flutter Team.
 - [Tensor Programming](https://www.youtube.com/watch?v=WwhyaqNtNQY&list=PLJbE2Yu2zumDqr_-hqpAN0nIr6m14TAsd) <!--youtube:list/PLJbE2Yu2zumDqr_-hqpAN0nIr6m14TAsd--> - Very rich content by [Tensor Programming](http://tensor-programming.com/)
 - [Mtechviral](https://www.youtube.com/watch?v=qWL1lGchpRA&list=PLR2qQy0Zxs_UdqAcaipPR3CG1Ly57UlhV) <!--youtube:list/PLR2qQy0Zxs_UdqAcaipPR3CG1Ly57UlhV--> - [Hindi/English] Mtechviral Series By [Pawan Kumar](https://github.com/iampawan)
-- [Flutter in Practice](https://www.youtube.com/playlist?list=PLhXZp00uXBk5TSY6YOdmpzp1yG3QbFvrN) - Free video courssd for beginners & non-programmers by [Zaiste](https://zaiste.net/)
+- [Flutter in Practice](https://www.youtube.com/playlist?list=PLhXZp00uXBk5TSY6YOdmpzp1yG3QbFvrN) - Free video courses for beginners & non-programmers by [Zaiste](https://zaiste.net/)
 - [Whatsupcoders](https://www.youtube.com/c/whatsupcoders) <!--youtube:list/PL6BTtm1PxwOUpt1muzFD3ErxWdCzLkYbI--> - Free video series on Flutter Widgets by [Kamal](https://github.com/whatsupcoders)
 - [Reso Coder](https://www.youtube.com/channel/UCSIvrn68cUk8CS8MbtBmBkA) - Intermediate and advanced videos by [Matej Rešetár](https://github.com/ResoCoder)
 
@@ -365,7 +365,7 @@ If you appreciate the content 📖, support projects visibility, give 👍| ⭐|
 - [Chewie](https://github.com/brianegan/chewie) <!--stargazers:brianegan/chewie--> - Provides low-level access to video playback by [Brian Egan](https://github.com/brianegan)
 - [Video Trimmer](https://github.com/sbis04/video_trimmer) <!--stargazers:sbis04/video_trimmer--> - Visualise and trim videos by [Souvik Biswas](https://github.com/sbis04)
 - [CamerAwesome](https://github.com/Apparence-io/camera_awesome) <!--stargazers:Apparence-io/camera_awesome--> - Community camera plugin rework by [Apparence.io studio](https://apparence.io)
-- [Video Editor](https://github.com/LeGoffMael/video_editor) <!--stargazers:LeGoffMael/video_editor--> - Edit (crop, trim, rotate) a video and a its cover by [Maël Le Goff](https://github.com/LeGoffMael)
+- [Video Editor](https://github.com/LeGoffMael/video_editor) <!--stargazers:LeGoffMael/video_editor--> - Edit (crop, trim, rotate) a video and its cover by [Maël Le Goff](https://github.com/LeGoffMael)
 
 #### Voice
 
@@ -387,7 +387,7 @@ If you appreciate the content 📖, support projects visibility, give 👍| ⭐|
 - [Firebase AdMob](https://github.com/FirebaseExtended/flutterfire/tree/master/packages/firebase_admob) - Ad integration using Firebase
 - [Inapp Purchase](https://github.com/dooboolab/flutter_inapp_purchase) <!--stargazers:dooboolab/flutter_inapp_purchase--> - Features set of 'in app purchase' derived from [react-native-iap](https://github.com/dooboolab/react-native-iap) by [dooboolab](https://github.com/dooboolab)
 - [Admob Flutter](https://github.com/kmcgill88/admob_flutter) - Admob plugin that shows banner ads using native platform views by [Youssef Kababe](https://github.com/YoussefKababe) & [Kevin McGill](https://github.com/kmcgill88).
-- [Facebook Audience Network](https://github.com/dreamsoftin/facebook_audience_network) - Facebook Audience Network Ad plugin that shows banner, interstitial, in-stream video, rewarded video & natvie ads by [Dreamsoft Innovations](https://github.com/dreamsoftin).
+- [Facebook Audience Network](https://github.com/dreamsoftin/facebook_audience_network) - Facebook Audience Network Ad plugin that shows banner, interstitial, in-stream video, rewarded video & native ads by [Dreamsoft Innovations](https://github.com/dreamsoftin).
 - [Square In-App Payments SDK](https://github.com/square/in-app-payments-flutter-plugin) <!--stargazers:square/in-app-payments-flutter-plugin--> - Take payments by embedding a card entry form in your app that produces nonces from customer-provided card information or digital wallets by [Square](https://github.com/orgs/square)
 
 ## Templates