diff --git a/documentation/ref-manual/classes.rst b/documentation/ref-manual/classes.rst
index 5c7605b86..95e07f85a 100644
--- a/documentation/ref-manual/classes.rst
+++ b/documentation/ref-manual/classes.rst
@@ -3542,7 +3542,7 @@ The variables used by this class are:
 -  :term:`UKI_SB_CERT`: optional UEFI secureboot certificate matching the
    private key
 -  :term:`UKI_SB_KEY`: optional UEFI secureboot private key to sign UKI with
--  :term:`UKI_DEVICETREE`: list of device tree blobs to include to the UKI
+-  :term:`UKI_DEVICETREE`: list of device tree blobs to include in the UKI
 
 For examples on how to use this class see oeqa selftest
 :oe_git:`meta/lib/oeqa/selftest/cases/uki.py
diff --git a/documentation/ref-manual/variables.rst b/documentation/ref-manual/variables.rst
index a8cbb87cf..45123488d 100644
--- a/documentation/ref-manual/variables.rst
+++ b/documentation/ref-manual/variables.rst
@@ -11865,7 +11865,7 @@ system and gives an overview of their function and contents.
 
    :term:`UKI_DEVICETREE`
       When inheriting the :ref:`ref-classes-uki` class, the :term:`UKI_DEVICETREE`
-      variable holds the list of device tree blobs to include to the `Unified
+      variable holds the list of device tree blobs to include in the `Unified
       Kernel Image (UKI) <https://uapi-group.org/specifications/specs/unified_kernel_image/>`__.
 
    :term:`UKI_FILENAME`