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 b604d408..f0bc2360 100644
--- a/source/_posts/2019-09-13-live-blogging-symfonylive-london.md
+++ b/source/_posts/2019-09-13-live-blogging-symfonylive-london.md
@@ -584,3 +584,5 @@ It depends. Fine for a 'modest' size. Use a real proxy for larger scale apps, us
     - UTF16: 2 or 4 bytes
     - UTF-32: 4 bytes
 * UTF-8 is compatible with ASCII
+* Case sensitivity - 1k characters are concerned. One uppercase letter, two lower case variants. Turkish exception. Full case folding.
+