diff --git a/docs/libcurl/opts/CURLOPT_SSLVERSION.md b/docs/libcurl/opts/CURLOPT_SSLVERSION.md
index 63440b5576..366edc0a7e 100644
--- a/docs/libcurl/opts/CURLOPT_SSLVERSION.md
+++ b/docs/libcurl/opts/CURLOPT_SSLVERSION.md
@@ -127,7 +127,7 @@ int main(void)
     curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
 
     /* ask libcurl to use TLS version 1.0 or later */
-    curl_easy_setopt(curl, CURLOPT_SSLVERSION, (long)CURL_SSLVERSION_TLSv1);
+    curl_easy_setopt(curl, CURLOPT_SSLVERSION, CURL_SSLVERSION_TLSv1);
 
     /* Perform the request */
     curl_easy_perform(curl);
@@ -150,6 +150,9 @@ restricted the TLS version to only the specified one.
 
 Rustls support added in 8.10.0.
 
+**CURL_SSLVERSION_*** macros became `long` types in 8.16.0, prior to this
+version a `long` cast was necessary when passed to curl_easy_setopt(3).
+
 # %AVAILABILITY%
 
 # RETURN VALUE