chore: keeping spelling consistencies same. GitHub and YouTube trademarks (EbookFoundation#6739)

* keep spelling same. `GitHub`

* keep spelling same. `YouTube`

* Github's reverts and rewordings

* Github's reverts

Author: davorpa

Diff for: books/free-programming-books-es.md

@@ -57,9 +57,9 @@
 * [Aprender Python](https://wiki.python.org.ar/aprendiendopython/) - Python Argentina
 * [Apuntes Completos de Desarrollo Web](http://jorgesanchez.net) - Jorge Sánchez
 * [Asombroso DDD: Una lista curada de recursos sobre Domain Driven Design](https://github.com/ddd-espanol/asombroso-ddd)
-* [Desarrollo de Aplicaciones Web - Temario Completo](https://github.com/statickidz/TemarioDAW#temario-daw) - José Luis Comesaña (Github)
+* [Desarrollo de Aplicaciones Web - Temario Completo](https://github.com/statickidz/TemarioDAW#temario-daw) - José Luis Comesaña (GitHub)
 * [Desarrollo de Aplicaciones Web y Sistemas Microinformáticos y Redes](https://javiergarciaescobedo.es) - Javier García Escobedo
-* [Gitbook - Libros útiles en español](https://github.com/DpdC/gitbook-biblioteca-impresionante-en-espanol#gitbook---biblioteca-de-libros-en-español--) (Github)
+* [Gitbook - Libros útiles en español](https://github.com/DpdC/gitbook-biblioteca-impresionante-en-espanol#gitbook---biblioteca-de-libros-en-español--) (GitHub)
 * [Múltiples Cursos y Enlaces de Tecnología Informática](http://elvex.ugr.es) - Fernando Berzal
 * [OpenLibra - Biblioteca recopilatorio de libros libres](https://openlibra.com/es/collection)
 * [Universidad Autónoma de México - Plan (2016)](http://fcasua.contad.unam.mx/apuntes/interiores/plan2016_1.php)
@@ -110,7 +110,7 @@
 #### Misceláneos
 
 * [97 cosas que todo programador debería saber](http://97cosas.com/programador/) (HTML)
-* [Docker](https://github.com/brunocascio/docker-espanol#docker) (Github)
+* [Docker](https://github.com/brunocascio/docker-espanol#docker) (GitHub)
 * [El camino a un mejor programador](http://emanchado.github.io/camino-mejor-programador/downloads/camino_2013-01-19_0688b6e.html) (HTML) [(PDF, ePub)](http://emanchado.github.io/camino-mejor-programador/)
 * [Introducción a Docker](https://www.rediris.es/tecniris/archie/doc//TECNIRIS47-1b.pdf) (PDF)
 * [Los Apuntes de Majo](https://losapuntesdemajo.vercel.app) - Majo Ledesma (PDF)
@@ -206,7 +206,7 @@
 * [Pensando la computación como un científico (con Java)](http://www.ungs.edu.ar/cm/uploaded_files/publicaciones/476_cid03-Pensar%20la%20computacion.pdf) (PDF)
 * [PlugIn Apache Tapestry: desarrollo de aplicaciones y páginas web](https://picodotdev.github.io/blog-bitix/assets/custom/PlugInTapestry.pdf) (PDF) [(ePub, Mobi, HTML)](https://picodotdev.github.io/blog-bitix/2014/02/libro-sobre-desarrollo-de-aplicaciones-con-apache-tapestry/)
 * [Prácticas de Java (2009)](https://openlibra.com/es/book/download/practicas-de-java) (PDF)
-* [Preparando JavaSun 6 - OCPJP6](https://github.com/PabloReyes/ocpjp-resumen-espanol#ocpjp6-resumen-español) - Pablo Reyes Almagro (Github) [(PDF)](https://github.com/PabloReyes/ocpjp-resumen-espanol/blob/master/OCPJP6%20Resumen.pdf)
+* [Preparando JavaSun 6 - OCPJP6](https://github.com/PabloReyes/ocpjp-resumen-espanol#ocpjp6-resumen-español) - Pablo Reyes Almagro (GitHub) [(PDF)](https://github.com/PabloReyes/ocpjp-resumen-espanol/blob/master/OCPJP6%20Resumen.pdf)
 * [Programación en Java](http://elvex.ugr.es/decsai/java/) (HTML)
 * [Tutorial básico de Java EE](http://static1.1.sqspcdn.com/static/f/923743/14770633/1416082087870/JavaEE.pdf) (PDF)
 * [Tutorial introducción a Maven 3](http://static1.1.sqspcdn.com/static/f/923743/15025126/1320942755733/Tutorial_de_Maven_3_Erick_Camacho.pdf) - Erick Camacho (PDF)
@@ -297,7 +297,7 @@
 
 ### PHP
 
-* [Domain Driven Design with PHP (Diseño guiado por Dominio con PHP)](https://www.youtube.com/playlist?list=PLfgj7DYkKH3DjmXTOxIMs-5fcOgDg_Dd2) - Carlos Buenosvinos Zamora (Youtube playlist)
+* [Domain Driven Design with PHP (Diseño guiado por Dominio con PHP)](https://www.youtube.com/playlist?list=PLfgj7DYkKH3DjmXTOxIMs-5fcOgDg_Dd2) - Carlos Buenosvinos Zamora (YouTube playlist)
 * [Manual de estudio introductorio al lenguaje PHP procedural](https://web.archive.org/web/20140209203630/http://www.cursosdeprogramacionadistancia.com/static/pdf/material-sin-personalizar-php.pdf) (PDF)
 * [PHP y Programación orientada a objetos](https://styde.net/php-y-programacion-orientada-a-objetos/) (HTML)
 * [POO y MVC en PHP](https://bibliotecafacet.com.ar/wp-content/uploads/2014/12/eugeniabahitpooymvcenphp.pdf) - Eugenia Bahit (PDF)
@@ -332,7 +332,7 @@
 * [Inmersión en Python 3](https://storage.googleapis.com/google-code-archive-downloads/v2/code.google.com/inmersionenpython3/inmersionEnPython3.0.11.pdf) (PDF) (descarga directa)
 * [Introducción a la programación con Python](http://repositori.uji.es/xmlui/bitstream/handle/10234/24305/s23.pdf) (PDF)
 * [Introducción a Programando con Python](http://opentechschool.github.io/python-beginners/es_CL/) (HTML)
-* [Python para ciencia e ingeniería](https://github.com/mgaitan/curso-python-cientifico#curso-de-python-para-ciencias-e-ingenierías) (Github)
+* [Python para ciencia e ingeniería](https://github.com/mgaitan/curso-python-cientifico#curso-de-python-para-ciencias-e-ingenierías) (GitHub)
 * [Python para principiantes](http://librosweb.es/libro/python) (HTML) [(PDF)](https://web.archive.org/web/20150421012120/http://www.cursosdeprogramacionadistancia.com/static/pdf/material-sin-personalizar-python.pdf)
 * [Python para todos](https://launchpadlibrarian.net/18980633/Python%20para%20todos.pdf) (PDF)
 
@@ -351,7 +351,7 @@
 ### Ruby
 
 * [Aprende a programar con Ruby](http://rubysur.org/aprende.a.programar) (Gitbook)
-* [La Guía de Estilos de Ruby](https://github.com/alemohamad/ruby-style-guide/blob/master/README-esLA.md#preludio) (Github)
+* [La Guía de Estilos de Ruby](https://github.com/alemohamad/ruby-style-guide/blob/master/README-esLA.md#preludio) (GitHub)
 * [Ruby en 20 minutos](https://www.ruby-lang.org/es/documentation/quickstart) (HTML)
 * [Ruby tutorial o cómo pasar un buen rato programando](http://rubytutorial.wikidot.com/introduccion) (HTML)
 

Diff for: books/free-programming-books-langs.md

@@ -806,7 +806,7 @@ That section got so big, we decided to split it into its own file, the [BY SUBJE
 * [Git-Tutorial For-Beginners](https://product.hubspot.com/blog/git-and-github-tutorial-for-beginners) - HubSpot Product Team
 * [Git Workflows](https://web.archive.org/web/20210910133251/http://documentup.com/skwp/git-workflows-book) - Yan Pritzker *(:card_file_box: archived)*
 * [Happy Git and GitHub for the useR](https://happygitwithr.com) - Jenny Bryan
-* [How to Collaborate on Github](https://github.com/eonist/How-to-collaborate-on-github) - André J
+* [How to Collaborate on GitHub: A mini book about collaborating on GitHub](https://github.com/eonist/How-to-collaborate-on-github) - André J
 * [Introduction to Git and Github](https://launchschool.com/books/git) - Launch School
 * [Introduction to Git and Github - Tutorial](http://cse.unl.edu/~cbourke/gitTutorial.pdf) - Dr. Chris Bourke (PDF)
 * [Introduction to Git and GitHub eBook](https://github.com/bobbyiliev/introduction-to-git-and-github-ebook) - Bobby Iliev (Markdown, PDF)
@@ -1651,7 +1651,7 @@ That section got so big, we decided to split it into its own file, the [BY SUBJE
 * [OCaml Scientific Computing](https://ocaml.xyz/book/) - Liang Wang, Jianxin Zhao (HTML) (:construction: *in process*)
 * [Real World OCaml](https://dev.realworldocaml.org/toc.html)
 * [Think OCaml](http://greenteapress.com/thinkocaml/index.html) - Allen B. Downey and Nicholas Monje
-* [Unix System Programming in OCaml](http://ocaml.github.io/ocamlunix/) [Github Repo](https://github.com/ocaml/ocamlunix/)
+* [Unix System Programming in OCaml](http://ocaml.github.io/ocamlunix/) - Xavier Leroy, Didier Rémy (HTML, [GitHub Repo](https://github.com/ocaml/ocamlunix/))
 * [Using, Understanding, and Unraveling The OCaml Language: From Practice to Theory and vice versa](http://pauillac.inria.fr/~remy/cours/appsem/) - Didier Rémy
 
 

Diff for: courses/free-courses-en.md

@@ -177,7 +177,7 @@
 * [AI Courses](https://software.intel.com/content/www/us/en/develop/topics/ai/training/courses.html) - Intel Corporation
 * [AI Fundamentals](https://www.udacity.com/course/ai-fundamentals--ud099) - Microsoft Azure (Udacity)
 * [Aml-2018 Ambient Intelligence](https://www.youtube.com/playlist?list=PLqRTLlwsxDL8fUcY2Y54sITILyJcTySpC) - Fulvio Corno, Luigi De Russis, Alberto Monge Roffarello @ Politecnico di Torino
-* [Artificial Intelligence on Google Cloud Platform](https://www.youtube.com/playlist?list=PL3N9eeOlCrP6Nhv4UFp67IsQ_TVDpXqXK) - Srivatsan Srinivasan @ AIEngineering (Youtube)
+* [Artificial Intelligence on Google Cloud Platform](https://www.youtube.com/playlist?list=PL3N9eeOlCrP6Nhv4UFp67IsQ_TVDpXqXK) - Srivatsan Srinivasan @ AIEngineering (YouTube)
 * [CS50’s Introduction to Artificial Intelligence with Python](https://cs50.harvard.edu/ai/2020/) - Brian Yu, David J. Malan (Harvard OpenCourseWare and EdX)
 * [Elements of AI](https://www.elementsofai.com) - University of Helsinki, Reaktor
 * [IBM AI Engineering Professional Certificate](https://www.coursera.org/professional-certificates/ai-engineer) - Romeo Kienzler, Saeed Aghabozorgi, Joseph Santarcangelo, Alex Aklson et al. (Coursera)
@@ -298,7 +298,7 @@
 ### Dart
 
 * [Dart Course for Beginners](https://www.udemy.com/course/dartlang) (Udemy)
-* [Dart Programming in 4 hours \| Full beginners tutorial](https://www.youtube.com/watch?v=5xlVP04905w) - Mike Dane (Youtube)
+* [Dart Programming in 4 hours \| Full beginners tutorial](https://www.youtube.com/watch?v=5xlVP04905w) - Mike Dane (YouTube)
 * [Dart Programming Tutorial - Full Course](https://www.youtube.com/watch?v=Ej_Pcr4uC2Q) - Mahmud Ahsan (FreeCodeCamp)
 * [Dart Programming Tutorial \| Learn the Dart for Flutter](https://www.udemy.com/course/dart-programming-tutorial-learn-the-dart-for-flutter) (Udemy)
 
@@ -465,11 +465,11 @@
 * [Build Dynamic Websites](https://web.archive.org/web/20210812200413/http://cs75.tv/2010/fall/) - David J. Malan [(YouTube)](https://www.youtube.com/playlist?list=PLvJoKWRPIu8GhAhDBAH0BFB9BS7YxM1WT)
 * [Code Your First Game: Arcade Classic in JavaScript on Canvas](https://www.udemy.com/code-your-first-game/) - Chris DeLeon (Udemy)
 * [Complete HTML/CSS BootCamp](https://frontendmasters.com/bootcamp/) - FrontEnd Masters
-* [Conquering freeCodeCamp's Curriculum](https://youtube.com/playlist?list=PLgBH1CvjOA62oNEVgz-dECiCZCE_Q3ZFH) - Florin Pop (Youtube)
+* [Conquering freeCodeCamp's Curriculum](https://youtube.com/playlist?list=PLgBH1CvjOA62oNEVgz-dECiCZCE_Q3ZFH) - Florin Pop (YouTube)
 * [CSS Flexbox - Mastering the Basics](https://www.udemy.com/css-flexbox-mastering-the-basics/) - Vishwas Gopinath (Udemy)
 * [CSS Grid](https://cssgrid.io) - Wesbos
 * [CSS Tutorial](https://www.youtube.com/playlist?list=PL_RGaFnxSHWqMH9a9DY8LFKrJ5NJCFHHe)
-* [CSS Tutorials](https://youtube.com/playlist?list=PLDyQo7g0_nsUjf046cCHKJ16U1SoXrElZ) - Dev Ed (Youtube)
+* [CSS Tutorials](https://youtube.com/playlist?list=PLDyQo7g0_nsUjf046cCHKJ16U1SoXrElZ) - Dev Ed (YouTube)
 * [CSS3 tutorial for beginners \| Learn CSS3](https://www.udemy.com/course/css3-tutorial-for-beginners-learn-css3/) - Udemy
 * [Flexbox in 30 Days](https://github.com/samanthaming/Flexbox30) - Samantha Ming
 * [HTML & CSS](https://www.youtube.com/playlist?list=PLillGF-RfqbZTASqIqdvm1R5mLrQq79CU) - Brad Traversy, Traversy Media (YouTube)
@@ -536,7 +536,7 @@
 * [Bento JavaScript Learning Track](https://bento.io/topic/javascript) (Bento)
 * [Cycle.js Fundamentals](https://egghead.io/courses/cycle-js-fundamentals) - André Staltz
 * [ES6 and Typescript Tutorial](https://www.youtube.com/playlist?list=PLC3y8-rFHvwhI0V5mE9Vu6Nm-nap8EcjV) - Codevolution, Vishwas Gopinath (YouTube)
-* [Functional Programming in Javascript](https://www.youtube.com/playlist?list=PL0zVEGEvSaeEd9hlmCXrk5yUyqUag-n84) - Mattias Petter Johansson «Fun Fun Function» (Youtube)
+* [Functional Programming in Javascript](https://www.youtube.com/playlist?list=PL0zVEGEvSaeEd9hlmCXrk5yUyqUag-n84) - Mattias Petter Johansson «Fun Fun Function» (YouTube)
 * [Intro to JavaScript ES6 programming](https://www.youtube.com/playlist?list=PL-xu4i_QDSxcoDNeh8rx5-pHCCTOg0XsI)
 * [Intro To JavaScript Unit Testing & BDD](https://www.youtube.com/watch?v=u5cLK1UrFyQ) - Traversy Media
 * [Javascript Array Methods](https://youtube.com/playlist?list=PLgBH1CvjOA62PBFIDq55-S6Beivje30A2) - Florin Pop (YouTube)
@@ -545,7 +545,7 @@
 * [Javascript Essentials](https://www.udemy.com/javascript-essentials/) - Lawrence Turton (Udemy)
 * [Javascript Mini Course 2020](https://www.udemy.com/course/javascript-essentials-mini-course/) - Kalob Taulien (Udemy)
 * [JavaScript Tutorial for Beginners](https://www.youtube.com/playlist?list=PL4cUxeGkcC9i9Ae2D9Ee1RvylH38dKuET) - The Net Ninja
-* [JavaScript Tutorial for beginners](https://www.youtube.com/watch?v=W6NZfCO5SIk) - Programming with Mosh (youtube)
+* [JavaScript Tutorial for beginners](https://www.youtube.com/watch?v=W6NZfCO5SIk) - Programming with Mosh (YouTube)
 * [JavaScript Tutorials](https://www.youtube.com/playlist?list=PLTjRvDozrdlxEIuOBZkMAK5uiqp8rHUax) - Programming with Mosh (YouTube)
 * [Javascript30](https://javascript30.com) - Wesbos
 * [Learn how to program: JavaScript](https://www.learnhowtoprogram.com/javascript) - Epicodus Inc.
@@ -600,12 +600,12 @@
 #### NodeJS
 
 * [Beginner's Series to: Node.js](https://youtube.com/playlist?list=PLlrxD0HtieHje-_287YJKhY8tDeSItwtg) - Microsoft Developer (YouTube)
-* [Building a RESTful API with Node.js](https://www.youtube.com/playlist?list=PL55RiY5tL51q4D-B63KBnygU6opNPFk_q) - Academind (Youtube)
-* [Express JS Crash Course](https://www.youtube.com/watch?v=L72fhGm1tfE) - Brad Traversy, Traversy Media (Youtube)
+* [Building a RESTful API with Node.js](https://www.youtube.com/playlist?list=PL55RiY5tL51q4D-B63KBnygU6opNPFk_q) - Academind (YouTube)
+* [Express JS Crash Course](https://www.youtube.com/watch?v=L72fhGm1tfE) - Brad Traversy, Traversy Media (YouTube)
 * [ExpressJS Fundamentals](https://www.udemy.com/course/expressjs-fundamentals/) - Patrick Schroeder (Udemy)
 * [Node and Express Tutorial](https://www.youtube.com/watch?v=TNV0_7QRDwY) - John Smilga, Coding Addict (YouTube)
 * [Node.js API Development for Beginners](https://www.udemy.com/course/node-js-api-tutorial/) (Udemy)
-* [Node.js Basics](https://www.youtube.com/playlist?list=PLqq-6Pq4lTTa-d0iZg41U2RDqECol9C5B) - Java Brains (Youtube)
+* [Node.js Basics](https://www.youtube.com/playlist?list=PLqq-6Pq4lTTa-d0iZg41U2RDqECol9C5B) - Java Brains (YouTube)
 * [Node.js Crash Course Tutorial](https://www.youtube.com/playlist?list=PL4cUxeGkcC9jsz4LDYc6kv3ymONOKxwBU) - The Net Ninja
 * [Node.js Tutorial for Beginners](https://www.youtube.com/playlist?list=PLsyeobzWxl7occsESx2X1E2R2Uw5wCoeG) - Telusko (YouTube)
 * [Node.js Tutorial for Beginners: Learn Node in 1 Hour](https://www.youtube.com/watch?v=TlB_eWDSMt4) - Moshfegh Hamedani, Programming with Mosh (YouTube)
@@ -648,7 +648,7 @@
 
 #### Vue.js
 
-* [Full Stack Vue.js, Express & MongoDB](https://www.youtube.com/playlist?list=PLillGF-RfqbYSx-Ab1xWVanGKtowTsnNm) - Traversy Media (Youtube)
+* [Full Stack Vue.js, Express & MongoDB](https://www.youtube.com/playlist?list=PLillGF-RfqbYSx-Ab1xWVanGKtowTsnNm) - Traversy Media (YouTube)
 * [Get Started with Nuxt](https://explorers.netlify.com/learn/get-started-with-nuxt) - Debbie O'Brien (Netlify)
 * [Internationalization with vue-i18n](https://vueschool.io/courses/internationalization-with-vue-i18n)
 * [Intro to Vue 2](https://www.vuemastery.com/courses/intro-to-vue-js/vue-instance)
@@ -658,7 +658,7 @@
 * [Vue Router for Everyone](https://vueschool.io/courses/vue-router-for-everyone)
 * [Vue.js Components Fundamentals](https://vueschool.io/courses/vuejs-components-fundamentals)
 * [Vue.js Fundamentals](https://vueschool.io/courses/vuejs-fundamentals)
-* [Vue.js Tutorial](https://www.youtube.com/playlist?list=PL4cUxeGkcC9hYYGbV60Vq3IXYNfDk8At1) - The Net Ninja (Youtube)
+* [Vue.js Tutorial](https://www.youtube.com/playlist?list=PL4cUxeGkcC9hYYGbV60Vq3IXYNfDk8At1) - The Net Ninja (YouTube)
 * [Vuex for Everyone](https://vueschool.io/courses/vuex-for-everyone)
 
 
@@ -699,6 +699,7 @@
 
 * [AWS Machine Learning Foundations Course](https://www.udacity.com/course/aws-machine-learning-foundations--ud065) - AWS (Udacity)
 * [Caltech's Learning From data](https://work.caltech.edu/telecourse.html)
+* [Complete Machine Learning in Python playlist](https://www.youtube.com/playlist?list=PLZoTAELRMXVPBTrWtJkn3wWQxZkmTXGwe) - Krish Naik (YouTube)
 * [Deep Learning Fundamentals by DeepLearning.TV](https://cognitiveclass.ai/courses/introduction-deep-learning) (cognitiveclass.ai)
 * [Google's Machine Learning Crash Course](https://developers.google.com/machine-learning/crash-course/)
 * [Intro to Machine Learning](https://www.kaggle.com/learn/intro-to-machine-learning) (Kaggle)
@@ -708,7 +709,6 @@
 * [Machine Learning](https://www.sololearn.com/Course/machine-learning) (SoloLearn) *(account required)*
 * [Machine Learning Recipes with Josh Gordon](https://www.youtube.com/playlist?list=PLOU2XLYxmsIIuiBfYad6rFYQU_jL2ryal)
 * [Machine Learning Tutorial Python \| Machine Learning For Beginners](https://www.youtube.com/playlist?list=PLeo1K3hjS3uvCeTYTeyfe0-rN5r8zn9rw) - Dhaval Patel
-* [Machine Learning with Python - Youtube Playlist](https://www.youtube.com/playlist?list=PLZoTAELRMXVPBTrWtJkn3wWQxZkmTXGwe) - Krish Naik (YouTube)
 * [Machine Learning with Python by Saeed Aghabozorgi](https://cognitiveclass.ai/courses/machine-learning-with-python) (cognitiveclass.ai)
 * [Machine Learning with Python: Zero to GBMs](https://jovian.ai/learn/machine-learning-with-python-zero-to-gbms) (Jovian)
 * [Made with ML](https://madewithml.com) - Goku Mohandas (Applied ML · MLOps · Production)
@@ -893,7 +893,7 @@
 
 ### Robotics
 
-* [Introduction to RTOS](https://www.youtube.com/playlist?list=PLEBQazB0HUyQ4hAPU1cJED6t3DU0h34bz) - Shawn Hymel, Digi-Key (Youtube)
+* [Introduction to RTOS](https://www.youtube.com/playlist?list=PLEBQazB0HUyQ4hAPU1cJED6t3DU0h34bz) - Shawn Hymel, Digi-Key (YouTube)
 * [Robotics 1](https://www.youtube.com/playlist?list=PLAQopGWlIcyaqDBW1zSKx7lHfVcOmWSWt) - A. De Luca
 
 
@@ -941,8 +941,8 @@
 
 ### Solidity
 
-* [Learn Solidity](https://youtube.com/playlist?list=PL16WqdAj66SCOdL6XIFbke-XQg2GW_Avg) - Will it Scale (Youtube)
-* [MASTER Solidity for Blockchain](https://youtube.com/playlist?list=PLS5SEs8ZftgVnWHv2_mkvJjn5HBOkde3g) - Dapp University (Youtube)
+* [Learn Solidity](https://youtube.com/playlist?list=PL16WqdAj66SCOdL6XIFbke-XQg2GW_Avg) - Will it Scale (YouTube)
+* [MASTER Solidity for Blockchain](https://youtube.com/playlist?list=PLS5SEs8ZftgVnWHv2_mkvJjn5HBOkde3g) - Dapp University (YouTube)
 * [Solidity Tutorial - A Full Course on Ethereum, Blockchain Development, Smart Contracts, and the EVM](https://www.youtube.com/watch?v=ipwxYa-F1uY) - Gregory McCubbin @ freeCodeCamp.org & Dapp University (YouTube)
 
 

Diff for: courses/free-courses-es.md

@@ -33,7 +33,7 @@
 * [Aprende a programar tu primera app](https://www.edx.org/es/course/jugando-con-android-aprende-programar-tu-uamx-android301x-4)
 * [Introducción a la programación Android](https://www.edx.org/es/course/android-introduccion-la-programacion-upvalenciax-aip201x-1)
 * [Introducción a la programación Android](https://campusvirtual.ull.es/ocw/course/view.php?id=130)
-* [Material Design con Android Studio](https://www.youtube.com/playlist?list=PLEtcGQaT56ch37mnavd8p5cbnkDvXLGsX) - Jesús Conde (Youtube)
+* [Material Design con Android Studio](https://www.youtube.com/playlist?list=PLEtcGQaT56ch37mnavd8p5cbnkDvXLGsX) - Jesús Conde (YouTube)
 
 
 ### Arduino