diff --git a/doc/hardware/porting/board_porting.rst b/doc/hardware/porting/board_porting.rst
index b2aede9b44be6d..0147c7c2679ca2 100644
--- a/doc/hardware/porting/board_porting.rst
+++ b/doc/hardware/porting/board_porting.rst
@@ -536,8 +536,8 @@ files for a board named ``plank``:
      config BOARD_PLANK
              select SOC_SOC1
 
-  The Kconfig symbols :kconfig:option:`BOARD_<board>` and
-  :kconfig:option:`BOARD_<normalized_board_target>` are constructed by the build
+  The Kconfig symbols :samp:`BOARD_{board}` and
+  :samp:`BOARD_{normalized_board_target}` are constructed by the build
   system, therefore no type shall be defined in above code snippet.
 
 :file:`Kconfig`