Merge pull request #495 from also/patch-1

fix typo in docs: headigns -> headings

Author: pomber

apps/web/content/docs/concepts/blocks.mdx

@@ -218,7 +218,7 @@ The same applies to images, codeblocks, and paragraphs.
 
 ## Nesting
 
-You can use headigns with different levels to create nested blocks.
+You can use headings with different levels to create nested blocks.
 
 <BlocksDemo>