diff --git a/packages/foundations/assets/fonts/unicode-eu.txt b/packages/foundations/assets/fonts/unicode-eu.txt
index 39120acbd56..6427919da47 100644
--- a/packages/foundations/assets/fonts/unicode-eu.txt
+++ b/packages/foundations/assets/fonts/unicode-eu.txt
@@ -1,3 +1,4 @@
+# compare to https://symbl.cc/de/unicode-table/
 U+0030-0039 #0-9
 U+0061-007A #a-z
 U+0041-005A #A-Z