Subsection headings of "Userspace interface" is written in normal
paragraph, all-capped. Properly format them as reST section headings.

Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
---
 Documentation/networking/nfc.rst | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Documentation/networking/nfc.rst b/Documentation/networking/nfc.rst
index 9aab3a88c9b298..40173500614332 100644
--- a/Documentation/networking/nfc.rst
+++ b/Documentation/networking/nfc.rst
@@ -71,7 +71,8 @@ Userspace interface
 The userspace interface is divided in control operations and low-level data
 exchange operation.
 
-CONTROL OPERATIONS:
+Control operations
+------------------
 
 Generic netlink is used to implement the interface to the control operations.
 The operations are composed by commands and events, all listed below:
@@ -100,7 +101,8 @@ relevant information such as the supported NFC protocols.
 All polling operations requested through one netlink socket are stopped when
 it's closed.
 
-LOW-LEVEL DATA EXCHANGE:
+Low-level data exchange
+-----------------------
 
 The userspace must use PF_NFC sockets to perform any data communication with
 targets. All NFC sockets use AF_NFC::
-- 
An old man doll... just what I always wanted! - Clara