diff --git a/doc/ssl/SSL_CTX_set_security_level.pod b/doc/ssl/SSL_CTX_set_security_level.pod
index a8a7eccfdb..fd50614b7d 100644
--- a/doc/ssl/SSL_CTX_set_security_level.pod
+++ b/doc/ssl/SSL_CTX_set_security_level.pod
@@ -137,7 +137,7 @@ then only ciphersuites consistent with the security level are permissible.
 See SP800-57 for how the security limits are related to individual
 algorithms.
 
-Some security levels require large key sizes for none-ECC public key
+Some security levels require large key sizes for non-ECC public key
 algorithms which can severely degrade performance. For example 256 bits
 of security requires the use of RSA keys of at least 15360 bits in size.