diff --git a/doc/man3/d2i_X509.pod b/doc/man3/d2i_X509.pod
index 4dea774fb6294ddef61098254fef0c056b59da96..fdf6c1d669ec9c24febe9b16ed18a02120021c43 100644
--- a/doc/man3/d2i_X509.pod
+++ b/doc/man3/d2i_X509.pod
@@ -453,7 +453,7 @@ the encoding of the structure I<a> to BIO I<bp> and it
 returns 1 for success and 0 for failure.
 
 B<i2d_I<TYPE>_fp>() is similar to B<i2d_I<TYPE>>() except it writes
-the encoding of the structure I<a> to BIO I<bp> and it
+the encoding of the structure I<a> to FILE pointer I<fp> and it
 returns 1 for success and 0 for failure.
 
 These routines do not encrypt private keys and therefore offer no