manuals: use references to the "Build Directory" term

Replace instances of "Build Directory" and "build directory"
(when applicable) by :term:`Build Directory` as already
done in most places.

Doing this, fix the indentation of the paragraphs with
this term.

(From yocto-docs rev: dce50679242d39f133e0cde5c8483b5e69f3eb54)

Signed-off-by: Michael Opdenacker <michael.opdenacker@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/documentation/migration-guides/migration-1.7.rst b/documentation/migration-guides/migration-1.7.rst
index 7b179f2aa1..e1a7594fb1 100644
--- a/documentation/migration-guides/migration-1.7.rst
+++ b/documentation/migration-guides/migration-1.7.rst
@@ -42,7 +42,7 @@ Autotools Class Changes
 The following :ref:`autotools <ref-classes-autotools>` class changes
 occurred:
 
--  *A separate build directory is now used by default:* The
+-  *A separate :term:`Build Directory` is now used by default:* The
    :ref:`autotools <ref-classes-autotools>` class has been
    changed to use a directory for building
    (:term:`B`), which is separate from the source directory