diff --git a/curriculum/challenges/espanol/04-data-visualization/data-visualization-with-d3/add-a-tooltip-to-a-d3-element.md b/curriculum/challenges/espanol/04-data-visualization/data-visualization-with-d3/add-a-tooltip-to-a-d3-element.md
index 869ca675f9..7ea4f9e430 100644
--- a/curriculum/challenges/espanol/04-data-visualization/data-visualization-with-d3/add-a-tooltip-to-a-d3-element.md
+++ b/curriculum/challenges/espanol/04-data-visualization/data-visualization-with-d3/add-a-tooltip-to-a-d3-element.md
@@ -1,6 +1,6 @@
---
id: 587d7faa367417b2b2512bd6
-title: Add a Tooltip to a D3 Element
+title: Agrega un cuadro emergente a un elemento D3
challengeType: 6
forumTopicId: 301470
dashedName: add-a-tooltip-to-a-d3-element
@@ -8,71 +8,71 @@ dashedName: add-a-tooltip-to-a-d3-element
# --description--
-A tooltip shows more information about an item on a page when the user hovers over that item. There are several ways to add a tooltip to a visualization, this challenge uses the SVG `title` element.
+Un cuadro emergente muestra más información acerca de un elemento en la página cuando el usuario se coloca sobre ese elemento. Hay varias formas de agregar un cuadro emergente a una visualización, este desafío usa el elemento SVG`title`.
-`title` pairs with the `text()` method to dynamically add data to the bars.
+`title` se empareja con el método `text()` para agregar datos dinámicamente a las barras.
# --instructions--
-Append a `title` element under each `rect` node. Then call the `text()` method with a callback function so the text displays the data value.
+Añade un elemento `title` debajo de cada nodo `rect`. Luego llama al método `text()` con una función de devolución de llamada para que el texto muestre el valor de los datos.
# --hints--
-Your code should have 9 `title` elements.
+Tu código debe tener 9 elementos `title`.
```js
assert($('title').length == 9);
```
-The first `title` element should have tooltip text of `12`.
+El primer elemento `title` debe tener un cuadro emergente de texto de `12`.
```js
assert($('title').eq(0).text() == '12');
```
-The second `title` element should have tooltip text of `31`.
+El segundo elemento `title` debe tener un cuadro emergente de texto de `31`.
```js
assert($('title').eq(1).text() == '31');
```
-The third `title` element should have tooltip text of `22`.
+El tercer elemento `title` debe tener un cuadro emergente de texto de `22`.
```js
assert($('title').eq(2).text() == '22');
```
-The fourth `title` element should have tooltip text of `17`.
+El cuarto elemento `title` debe tener un cuadro emergente de texto de `17`.
```js
assert($('title').eq(3).text() == '17');
```
-The fifth `title` element should have tooltip text of `25`.
+El quinto elemento `title` debe tener uncuadro emergente de texto de `25`.
```js
assert($('title').eq(4).text() == '25');
```
-The sixth `title` element should have tooltip text of `18`.
+El sexto elemento `title` debe tener un cuadro emergente de texto de `18`.
```js
assert($('title').eq(5).text() == '18');
```
-The seventh `title` element should have tooltip text of `29`.
+El séptimo elemento `title` debe tener uncuadro emergente de texto de `29`.
```js
assert($('title').eq(6).text() == '29');
```
-The eighth `title` element should have tooltip text of `14`.
+El octavo elemento `title` debe tener un cuadro emergente de texto de `14`.
```js
assert($('title').eq(7).text() == '14');
```
-The ninth `title` element should have tooltip text of `9`.
+El noveno elemento `title` debe tener un cuadro emergente de texto de `9`.
```js
assert($('title').eq(8).text() == '9');
diff --git a/curriculum/challenges/portuguese/01-responsive-web-design/basic-html-and-html5/add-images-to-your-website.md b/curriculum/challenges/portuguese/01-responsive-web-design/basic-html-and-html5/add-images-to-your-website.md
index c953334369..6511e9ce0c 100644
--- a/curriculum/challenges/portuguese/01-responsive-web-design/basic-html-and-html5/add-images-to-your-website.md
+++ b/curriculum/challenges/portuguese/01-responsive-web-design/basic-html-and-html5/add-images-to-your-website.md
@@ -37,7 +37,7 @@ Tente adicionar uma imagem ao seu site:
Dentro do elemento `main` existente, insira um elemento `img` antes dos elementos `p` existentes.
-Agora defina o atributo `src` para que ele aponte para o URL `https://www.bit.ly/fcc-relaxing-cat`
+Agora defina o atributo `src` para que ele aponte para o URL `https://cdn.freecodecamp.org/curriculum/cat-photo-app/relaxing-cat.jpg`
Por fim, não se esqueça de dar ao elemento `img` um atributo `alt` com um texto adequado.
@@ -52,7 +52,7 @@ assert($('img').length);
A imagem deve ter um atributo `src` que aponte para o caminho da imagem do gatinho.
```js
-assert(/^https:\/\/(www\.)?bit\.ly\/fcc-relaxing-cat$/i.test($('img').attr('src')));
+assert(/^https:\/\/cdn\.freecodecamp\.org\/curriculum\/cat-photo-app\/relaxing-cat\.jpg$/i.test($('img').attr('src')));
```
O atributo `alt` do elemento de imagem não deve estar vazio.
@@ -86,7 +86,7 @@ assert(
```html
CatPhotoApp
-
+
Kitty ipsum dolor sit amet, shed everywhere shed everywhere stretching attack your ankles chase the red dot, hairball run catnip eat the grass sniff.
Purr jump eat the grass rip the couch scratched sunbathe, shed everywhere rip the couch sleep in the sink fluffy fur catnip scratched.
diff --git a/curriculum/challenges/portuguese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/arguments-optional.md b/curriculum/challenges/portuguese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/arguments-optional.md
index 3cdc4b9c8d..7602897577 100644
--- a/curriculum/challenges/portuguese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/arguments-optional.md
+++ b/curriculum/challenges/portuguese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/arguments-optional.md
@@ -42,10 +42,10 @@ assert.deepEqual(addTogether(23, 30), 53);
assert.deepEqual(addTogether(5)(7), 12);
```
-`addTogether("http://bit.ly/IqT6zt")` deve retornar `undefined`.
+`addTogether("https://www.youtube.com/watch?v=dQw4w9WgXcQ")` deve retornar `undefined`.
```js
-assert.isUndefined(addTogether('http://bit.ly/IqT6zt'));
+assert.isUndefined(addTogether('https://www.youtube.com/watch?v=dQw4w9WgXcQ'));
```
`addTogether(2, "3")` deve retornar `undefined`.
diff --git a/curriculum/challenges/portuguese/03-front-end-development-libraries/bootstrap/make-images-mobile-responsive.md b/curriculum/challenges/portuguese/03-front-end-development-libraries/bootstrap/make-images-mobile-responsive.md
index b84c24f168..b88a8a06b4 100644
--- a/curriculum/challenges/portuguese/03-front-end-development-libraries/bootstrap/make-images-mobile-responsive.md
+++ b/curriculum/challenges/portuguese/03-front-end-development-libraries/bootstrap/make-images-mobile-responsive.md
@@ -8,7 +8,7 @@ dashedName: make-images-mobile-responsive
# --description--
-Primeiro, adicione uma nova imagem abaixo da existente. Defina o seu atributo `src` para `https://bit.ly/fcc-running-cats`.
+Primeiro, adicione uma nova imagem abaixo da existente. Defina o seu atributo `src` como `https://cdn.freecodecamp.org/curriculum/cat-photo-app/running-cats.jpg`.
Seria ótimo se essa imagem pudesse ser exatamente do tamanho da nossa tela do celular.
@@ -34,10 +34,10 @@ A nova imagem não deve ter a classe `smaller-image`.
assert(!$('img:eq(1)').hasClass('smaller-image'));
```
-A nova imagem deve ter um `src` de `https://bit.ly/fcc-running-cats`.
+A nova imagem deve ter um `src` de `https://cdn.freecodecamp.org/curriculum/cat-photo-app/running-cats.jpg`.
```js
-assert($('img:eq(1)').attr('src') === 'https://bit.ly/fcc-running-cats');
+assert($('img:eq(1)').attr('src') === 'https://cdn.freecodecamp.org/curriculum/cat-photo-app/running-cats.jpg');
```
O novo elemento `img` deve ter uma tag de fechamento.
@@ -87,7 +87,7 @@ assert(
Click here for cat photos.
-
+
Things cats love: