diff --git a/docs/curl.1 b/docs/curl.1
index 7d914645d84b725d6ef1b8d73de27794e66d47bc..0cec4103ad2f79c01088fd68d1432ea91b31d0b1 100644
--- a/docs/curl.1
+++ b/docs/curl.1
@@ -298,7 +298,9 @@ uses no dir or if the dirs it mentions already exist, no dir will be created.
 To create remote directories when using FTP or SFTP, try
 \fI--ftp-create-dirs\fP.
 .IP "--crlf"
-(FTP) Convert LF to CRLF in upload. Useful for MVS (OS/390).
+Convert LF to CRLF in upload. Useful for MVS (OS/390).
+
+(SMTP added in 7.40.0)
 .IP "--crlfile <file>"
 (HTTPS/FTPS) Provide a file using PEM format with a Certificate Revocation
 List that may specify peer certificates that are to be considered revoked.
diff --git a/docs/libcurl/opts/CURLOPT_CRLF.3 b/docs/libcurl/opts/CURLOPT_CRLF.3
index 9bf82af3c6a4db42d168654040c5f2eaa60fed24..32d8b79cf5f2022e8e603e007fc2b4b328326508 100644
--- a/docs/libcurl/opts/CURLOPT_CRLF.3
+++ b/docs/libcurl/opts/CURLOPT_CRLF.3
@@ -36,11 +36,11 @@ This is a legacy option of questionable use.
 .SH DEFAULT
 0
 .SH PROTOCOLS
-All except SMTP
+All
 .SH EXAMPLE
 TODO
 .SH AVAILABILITY
-Always
+SMTP since 7.40.0, other protocols since they were introduced
 .SH RETURN VALUE
 Returns CURLE_OK
 .SH "SEE ALSO"