diff --git a/readme.txt b/readme.txt
index 920711fce..b30c51799 100644
--- a/readme.txt
+++ b/readme.txt
@@ -119,7 +119,7 @@
        (backported to 20.3.5)(backported to 21.11.3).
 - FIX: Fixed missing semicolon in STM32 OTGv1 driver (bug #1243)
        (backported to 20.3.5)(backported to 21.11.3).
-- FIX: Fixed HSI48 not enabled for STM32L496/​4A6 (bug #1242)
+- FIX: Fixed HSI48 not enabled for STM32L496/4A6 (bug #1242)
        (backported to 20.3.5)(backported to 21.11.3).
 - FIX: Fixed problem in STM32 gpt_lld_polled_delay() implementation (bug #1241)
        (backported to 20.3.5)(backported to 21.11.3).