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-rw-r--r--ext/openssl/ossl_engine.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/ext/openssl/ossl_engine.c b/ext/openssl/ossl_engine.c
index f84b1cfff1..3abc44b34e 100644
--- a/ext/openssl/ossl_engine.c
+++ b/ext/openssl/ossl_engine.c
@@ -160,6 +160,8 @@ ossl_engine_s_load(int argc, VALUE *argv, VALUE klass)
* It is only necessary to run cleanup when engines are loaded via
* OpenSSL::Engine.load. However, running cleanup before exit is recommended.
*
+ * Note that this is needed and works only in OpenSSL < 1.1.0.
+ *
* See also, https://www.openssl.org/docs/crypto/engine.html
*/
static VALUE