manuals: fix trailing spaces

Fixing errors reported by "make sphinx-lint"

(From yocto-docs rev: 45b04c281a567e06fd2904166bcc26603e73e684)

Signed-off-by: Michael Opdenacker <michael.opdenacker@bootlin.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>

3 files changed, 3 insertions, 3 deletions

diff --git a/documentation/ref-manual/classes.rst b/documentation/ref-manual/classes.rst
index e7bf5e9a6e..43bdc8bd25 100644
--- a/documentation/ref-manual/classes.rst
+++ b/documentation/ref-manual/classes.rst
@@ -588,7 +588,7 @@ The padding size can be modified by setting :term:`DT_PADDING_SIZE`
 to the desired size, in bytes.
 
 See :oe_git:`devicetree.bbclass sources
-</openembedded-core/tree/meta/classes-recipe/devicetree.bbclass>` 
+</openembedded-core/tree/meta/classes-recipe/devicetree.bbclass>`
 for further variables controlling this class.
 
 Here is an excerpt of an example ``recipes-kernel/linux/devicetree-acme.bb``
diff --git a/documentation/ref-manual/tasks.rst b/documentation/ref-manual/tasks.rst
index 0f1f95b9ff..346e9491f3 100644
--- a/documentation/ref-manual/tasks.rst
+++ b/documentation/ref-manual/tasks.rst
@@ -369,7 +369,7 @@ information.
 ``do_populate_sdk_ext``
 -----------------------
 
-Creates the file and directory structure for an installable extensible 
+Creates the file and directory structure for an installable extensible
 SDK (eSDK). See the ":ref:`overview-manual/concepts:sdk generation`"
 section in the Yocto Project Overview and Concepts Manual for more
 information.
diff --git a/documentation/ref-manual/variables.rst b/documentation/ref-manual/variables.rst
index 5e5b688878..c2a6566341 100644
--- a/documentation/ref-manual/variables.rst
+++ b/documentation/ref-manual/variables.rst
@@ -7601,7 +7601,7 @@ system and gives an overview of their function and contents.
       The name of keys used by the :ref:`ref-classes-kernel-fitimage` class
       for signing U-Boot FIT image stored in the :term:`SPL_SIGN_KEYDIR`
       directory. If we have for example a ``dev.key`` key and a ``dev.crt``
-      certificate stored in the :term:`SPL_SIGN_KEYDIR` directory, you will 
+      certificate stored in the :term:`SPL_SIGN_KEYDIR` directory, you will
       have to set :term:`SPL_SIGN_KEYNAME` to ``dev``.
 
    :term:`SPLASH`