diff --git a/lib/smtp.c b/lib/smtp.c
index a3014be504ff9e74bbc3d4c064fe217e3b729b9e..065c7037f3ed8a9b890f3a8feb6ab620cf3840a1 100644
--- a/lib/smtp.c
+++ b/lib/smtp.c
@@ -1474,7 +1474,7 @@ static CURLcode smtp_done(struct connectdata *conn, CURLcode status,
     result = status;         /* use the already set error code */
   }
   else if(!data->set.connect_only) {
-    /* Calculate the EOB taking into account any terminating CRLF from the 
+    /* Calculate the EOB taking into account any terminating CRLF from the
        previous line of the email or the CRLF of the DATA command when there
        is "no mail data". RFC-5321, sect. 4.1.1.4. */
     eob = SMTP_EOB;