diff --git a/src/sslsocket.cpp b/src/sslsocket.cpp
index 9a1590a5..40bb90d0 100644
--- a/src/sslsocket.cpp
+++ b/src/sslsocket.cpp
@@ -129,7 +129,7 @@ SSL* SSL_new_client()
     SSL* ssl = SSL_new(sip_trp_ssl_ctx_client);
 
     // Inject the ServerNameIndication (SNI).
-    // It requires to be a hostname. However, SSL takes whatever we set. 
+    // It requires to be a hostname. However, SSL takes whatever we set.
     // Ref https://datatracker.ietf.org/doc/html/rfc6066#section-3
     if (strcmp(remote_ip, remote_host)) {
         SSL_set_tlsext_host_name(ssl, remote_host);