[PATCH v3 11/28] docs: i2c: smbus-protocol: fix link syntax

[Luca Ceresoli]

Use the proper ReST syntax to generate a valid hyperlink.

Signed-off-by: Luca Ceresoli <luca@xxxxxxxxxxxxxxxx>
Reviewed-by: Jean Delvare <jdelvare@xxxxxxx>

---

Changes in v3:
 - fix subject line (Jean Delvare)
---
 Documentation/i2c/smbus-protocol.rst | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/i2c/smbus-protocol.rst b/Documentation/i2c/smbus-protocol.rst
index e30eb1d274c6..1600b09ec0be 100644
--- a/Documentation/i2c/smbus-protocol.rst
+++ b/Documentation/i2c/smbus-protocol.rst
@@ -27,8 +27,8 @@ a different protocol operation entirely.
 Each transaction type corresponds to a functionality flag. Before calling a
 transaction function, a device driver should always check (just once) for
 the corresponding functionality flag to ensure that the underlying I2C
-adapter supports the transaction in question. See
-<file:Documentation/i2c/functionality.rst> for the details.
+adapter supports the transaction in question. See :doc:`functionality` for
+the details.
 
 
 Key to symbols
-- 
2.25.0