1 files changed, 1 insertions, 1 deletions

diff --git a/src/lib/libcrypto/doc/RSA_size.pod b/src/lib/libcrypto/doc/RSA_size.pod
index b36b4d58d5..5b7f835f95 100644
--- a/src/lib/libcrypto/doc/RSA_size.pod
+++ b/src/lib/libcrypto/doc/RSA_size.pod
@@ -8,7 +8,7 @@ RSA_size - get RSA modulus size
 
  #include <openssl/rsa.h>
 
- int RSA_size(RSA *rsa);
+ int RSA_size(const RSA *rsa);
 
 =head1 DESCRIPTION