README: use right emoji UTF-8 sequences for stop/warning sign

diff --git a/README b/README
index c465c3288fcf82e93f4533ec570fbd066d54bdc0..a2f888477e8c898bbf0c0e3c9c542f4a045f2935 100644 (file)
--- a/README
+++ b/README
@@ -43,13 +43,13 @@ REQUIREMENTS:
                      ≥ 5.4 for signed Verity images
                      ≥ 5.7 for BPF links and the BPF LSM hook
 
-        🛑 Kernel versions below 3.15 ("minimum baseline") are not supported at
-        all, and are missing required functionality (e.g. CLOCK_BOOTIME support
-        for timerfd_create()).
+        ⛔ Kernel versions below 3.15 ("minimum baseline") are not supported at
+        all, and are missing required functionality (e.g. CLOCK_BOOTTIME
+        support for timerfd_create()).
 
-        ⚠️  Kernel versions below 4.15 ("recommended baseline") have significant
+        ⚠️ Kernel versions below 4.15 ("recommended baseline") have significant
         gaps in functionality and are not recommended for use with this version
-        of systemd (e.g. sufficiently comprehensive and working cgroupv2
+        of systemd (e.g. lack sufficiently comprehensive and working cgroupv2
         support). Taint flag 'old-kernel' will be set. systemd will most likely
         still function, but upstream support and testing are limited.