diff --git a/docs/CIPHERS.md b/docs/CIPHERS.md
index 2a1d8ca7e..148c1d004 100644
--- a/docs/CIPHERS.md
+++ b/docs/CIPHERS.md
@@ -10,6 +10,8 @@ libcurl was built to use. This is an attempt to list known cipher names.
 
 (based on [OpenSSL docs](https://www.openssl.org/docs/man1.1.0/apps/ciphers.html))
 
+When specifying multiple cipher names, separate them with colon (`:`).
+
 ### SSL3 cipher suites
 
 `NULL-MD5`