Merge pull request #4232 from lexoyo/doc

fixes in docs and comments

CONTRIBUTING.md

@@ -13,7 +13,7 @@ We welcome any type of contribution, not only code. Like for example:
 
 ## Your First Contribution
 
-Working on your first Pull Request? You can learn how from this **free** series, [How to Contribute to an Open Source Project on GitHub](https://egghead.io/series/how-to-contribute-to-an-open-source-project-on-github).
+Working on your first Pull Request? You can learn how from this **free** series, [How to Contribute to an Open Source Project on GitHub](https://app.egghead.io/playlists/how-to-contribute-to-an-open-source-project-on-github).
 
 
 ## Submitting code

docs/api/block_manager.md

@@ -171,7 +171,7 @@ blockManager.render();
 
 // Render new set of blocks
 const blocks = blockManager.getAll();
-const filtered = blocks.filter(block => block.get('category') == 'sections')
+const filtered = blocks.filter(block => block.get('category').id == 'Sections')
 
 blockManager.render(filtered);
 // Or a new set from an array

src/utils/Droppable.js

@@ -54,7 +54,7 @@ export default class Droppable {
     method(document, 'pointerup', this.handleDrop);
     method(frameEl, 'pointerout', this.handleDragLeave);
 
-    // Test with touche devices (seems like frameEl is not capturing pointer events).
+    // Test with touch devices (seems like frameEl is not capturing pointer events).
     // on/off(document, 'pointermove', sorter.onMove); // for the sorter
     // enable && this.handleDragEnter({}); // no way to use pointerenter/pointerout
   }