diff --git a/ext/openssl/ossl_ocsp.c b/ext/openssl/ossl_ocsp.c
index 7861afed74..7089f60851 100644
--- a/ext/openssl/ossl_ocsp.c
+++ b/ext/openssl/ossl_ocsp.c
@@ -200,7 +200,7 @@ ossl_ocspreq_check_nonce(VALUE self, VALUE basic_resp)
  * call-seq:
  *   request.add_certid(certificate_id) -> request
  *
- * Adds +certificate_id+ to the request.  
+ * Adds +certificate_id+ to the request.
  */
 
 static VALUE