diff --git a/source/_posts/2019-09-13-live-blogging-symfonylive-london.md b/source/_posts/2019-09-13-live-blogging-symfonylive-london.md
index 03b593b2..b604d408 100644
--- a/source/_posts/2019-09-13-live-blogging-symfonylive-london.md
+++ b/source/_posts/2019-09-13-live-blogging-symfonylive-london.md
@@ -583,3 +583,4 @@ It depends. Fine for a 'modest' size. Use a real proxy for larger scale apps, us
     - UTF-8: 1,2,3 or 4 bytes
     - UTF16: 2 or 4 bytes
     - UTF-32: 4 bytes
+* UTF-8 is compatible with ASCII