diff --git a/boards/capes/cape-interface-spec.rst b/boards/capes/cape-interface-spec.rst
index 0db956cd59de6c1543a590007e8ed4b2876ef5d4..54629ee7822e850b5fe33e6dc0e98649c56e3a70 100644
--- a/boards/capes/cape-interface-spec.rst
+++ b/boards/capes/cape-interface-spec.rst
@@ -20,7 +20,7 @@ Background and overview
    * See `elinux.org Cape Expansion Headers for BeagleBone page <https://elinux.org/Beagleboard:Cape_Expansion_Headers>`_
    * See :ref:`BeagleBone Black System Reference Manual Connectors section <beagleboneblack-connectors>`
    * See :ref:`BeagleBone AI System Reference Manual Connectors section <beaglebone-ai-connectors>`
-   * See :ref:`BeagleBone AI-64 System Reference Manual Connectors section <cape-board-support-1>`
+   * See :ref:`BeagleBone AI-64 System Reference Manual Connectors section <bbai64-expansion>`
 
 .. note:: Below, when mentioning "Black", this is true for all AM3358-based BeagleBone boards. "AI" is AM5729-based. "AI-64" is TDA4VM-based.
 
diff --git a/books/pru-cookbook/05blocks/blocks.rst b/books/pru-cookbook/05blocks/blocks.rst
index dcddf03b9444348eb2d3a5399f892f58044a65e5..1434b19d17a6955db96bdd7112e0ed6a244b9660 100644
--- a/books/pru-cookbook/05blocks/blocks.rst
+++ b/books/pru-cookbook/05blocks/blocks.rst
@@ -313,7 +313,7 @@ the code work.  Fortunately the Makefile always runs it.
 .. _blocks_write_init_pins:
 
 .. literalinclude:: ../code/05blocks/write_init_pins.sh
-   :language bash
+   :language: bash
    :caption: write_init_pins.sh
    :linenos:
 
@@ -1725,7 +1725,7 @@ high-level view of how to drive the display.
 .. _blocks_rgb_python:
 
 .. literalinclude:: ../code/05blocks/rgb_python.py
-   :language bash
+   :language: bash
    :caption: rgb_python.py - Python code for driving RGB LED matrix
    :linenos:
 
@@ -1736,7 +1736,7 @@ Be sure to run the :ref:`blocks_rgb_setup` script before running the python code
 .. _blocks_rgb_setup:
 
 .. literalinclude:: ../code/05blocks/rgb_python_setup.sh
-   :language bash
+   :language: bash
    :caption: rgb_python_setup.sh
    :linenos:
 
diff --git a/books/pru-cookbook/06io/io.rst b/books/pru-cookbook/06io/io.rst
index 95a69ed4eb06e615478f5df5f706134fed1a8e73..62bbfbac06b5c5971e370e61b9e0817bfdd87eaf 100644
--- a/books/pru-cookbook/06io/io.rst
+++ b/books/pru-cookbook/06io/io.rst
@@ -98,7 +98,7 @@ GPIO pins, but it's a slower access.
 This code will toggle ``P9_11`` on and off. Here's the setup file.
 
 .. literalinclude:: ../code/06io/setup.sh
-   :language bash
+   :language: bash
    :caption: setup.sh
    :linenos: