Update src/content/docs/cache/how-to/purge-cache/purge-by-tags.mdx

Author: angelampcosta

src/content/docs/cache/how-to/purge-cache/purge-by-tags.mdx

@@ -42,7 +42,7 @@ When your content reaches our edge network, Cloudflare:
 * For cache purges, the maximum length of a cache-tag in an API call is 1,024 characters.
 * The `Cache-Tag` HTTP header must only contain printable ASCII encoded characters.
 * Spaces are not allowed in cache-tags.
-
+* Case is not sensitive. For example, `Tag1` and `tag1` are considered the same.
 ## Purge using cache-tags
 
 1. Log in to your [Cloudflare dashboard](https://dash.cloudflare.com/login), and select your account and domain.