Fix typo.

docs/content/documentation/content/section.md

@@ -4,7 +4,7 @@ weight = 20
 +++
 
 A section is automatically created when a folder is found in the `content` section, unless it only
-contains a `index.md` file and is actuallya page with assets.
+contains a `index.md` file and is actually a page with assets.
 
 You can add `_index.md` file to a folder to augment a section and give it some metadata and/or content.