doc: fix missing section underline in crypto guide

Fixes: b59502a5e3d0 ("cryptodev: add AEAD parameters in crypto operation")
Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>

diff --git a/doc/guides/prog_guide/cryptodev_lib.rst b/doc/guides/prog_guide/cryptodev_lib.rst
index 568b539f7f488febfc0ee6bfb70a780e07888064..81a6b1fa016a47e2b545ecbe03dead0e263fe29e 100644 (file)
--- a/doc/guides/prog_guide/cryptodev_lib.rst
+++ b/doc/guides/prog_guide/cryptodev_lib.rst
@@ -424,6 +424,7 @@ operations, as well as also supporting AEAD operations.
 
 
 Session and Session Management
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 Sessions are used in symmetric cryptographic processing to store the immutable
 data defined in a cryptographic transform which is used in the operation