diff --git a/boards/nios2/index.rst b/boards/nios2/index.rst
index 052036e6bdfa23..61c352619adb99 100644
--- a/boards/nios2/index.rst
+++ b/boards/nios2/index.rst
@@ -1,6 +1,6 @@
 .. _boards-nios2:
 
-NIOS II Boards
+Nios II Boards
 ##############
 
 .. toctree::
diff --git a/boards/posix/index.rst b/boards/posix/index.rst
index 597bd609157ccd..b16baf91a9a93e 100644
--- a/boards/posix/index.rst
+++ b/boards/posix/index.rst
@@ -1,6 +1,6 @@
 .. _boards_posix:
 
-POSIX/NATIVE Boards
+POSIX/Native Boards
 ###################
 
 .. toctree::
diff --git a/boards/riscv/index.rst b/boards/riscv/index.rst
index 85b481d09fabe0..aecea8aa600c1d 100644
--- a/boards/riscv/index.rst
+++ b/boards/riscv/index.rst
@@ -1,7 +1,7 @@
 .. _boards-riscv:
 
-RISCV Boards
-##############
+RISC-V Boards
+#############
 
 .. toctree::
    :maxdepth: 1
diff --git a/boards/xtensa/index.rst b/boards/xtensa/index.rst
index dd09c5df5b4f9e..efe46624acf70f 100644
--- a/boards/xtensa/index.rst
+++ b/boards/xtensa/index.rst
@@ -1,6 +1,6 @@
 .. _boards-xtensa:
 
-XTENSA Boards
+Xtensa Boards
 #############
 
 .. toctree::