[PATCH 1/1] fixup! docs: fix title underlines in refcount-vs-atomic.rst

[Suren Baghdasaryan <surenb@google.com>]

Fix title underlines for newly updated refcount-vs-atomic.rst

Fixes: 03b412c8b184 ("refcount: provide ops for cases when object's memory can be reused")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
---
 Documentation/core-api/refcount-vs-atomic.rst | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/core-api/refcount-vs-atomic.rst b/Documentation/core-api/refcount-vs-atomic.rst
index 9551a7bbfd38..94e628c1eb49 100644
--- a/Documentation/core-api/refcount-vs-atomic.rst
+++ b/Documentation/core-api/refcount-vs-atomic.rst
@@ -87,7 +87,7 @@ Memory ordering guarantee changes:
 
 
 case 2) - non-"Read/Modify/Write" (RMW) ops with release ordering
--------------------------------------------
+-----------------------------------------------------------------
 
 Function changes:
 
@@ -139,7 +139,7 @@ Memory ordering guarantees changes:
 
 
 case 6) - increment-based RMW ops with acquire ordering that return a value
------------------------------------------------------
+---------------------------------------------------------------------------
 
 Function changes:
 

base-commit: b2a64caeafad6e37df1c68f878bfdd06ff14f4ec
-- 
2.48.1.601.g30ceb7b040-goog