diff --git a/README.md b/README.md
index f89ac1eb3e..f22f3b3e95 100644
--- a/README.md
+++ b/README.md
@@ -79,9 +79,15 @@ Please see [here](https://email.faircode.eu/#screenshots) for screenshots.
 
 Certificate fingerprints:
 
-* MD5: 64:90:8E:2C:0D:25:29:B0:D0:26:2D:24:D8:BB:66:56
-* SHA1: 17:BA:15:C1:AF:55:D9:25:F9:8B:99:CE:A4:37:5D:4C:DF:4C:17:4B
-* SHA256: E0:20:67:24:9F:5A:35:0E:0E:C7:03:FE:9D:F4:DD:68:2E:02:91:A0:9F:0C:2E:04:10:50:BB:E7:C0:64:F5:C9
+```
+MD5: 64:90:8E:2C:0D:25:29:B0:D0:26:2D:24:D8:BB:66:56
+SHA1: 17:BA:15:C1:AF:55:D9:25:F9:8B:99:CE:A4:37:5D:4C:DF:4C:17:4B
+SHA256: E0:20:67:24:9F:5A:35:0E:0E:C7:03:FE:9D:F4:DD:68:2E:02:91:A0:9F:0C:2E:04:10:50:BB:E7:C0:64:F5:C9
+```
+
+One line command to display certificate fingerprints:
+
+```unzip -p fairemail.apk META-INF/CERT.RSA | keytool -printcert```
 
 ## Privacy