sdk-manual: Edits to the devtool add workflow section.

Minor edits from the read-through.

(From yocto-docs rev: d165438d3d02f3154fc59197d75ab1cb6a285320)

Signed-off-by: Scott Rifenbark <srifenbark@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

documentation/sdk-manual/sdk-extensible.xml

@@ -359,7 +359,7 @@
                                 corresponding append file in the workspace.
                                 If you do not provide
                                 <replaceable>recipe</replaceable>, the command
-                                attempts to figure out the recipe name.
+                                makes an attempt to determine the recipe name.
                                 </para></listitem>
                             <listitem><para>
                                 <emphasis>Middle</emphasis>:
@@ -420,7 +420,7 @@
                                 <para>Because the extracted source code already
                                 exists, <filename>devtool</filename> does not
                                 try to relocate the source code into the
-                                workspace - only the new the recipe is placed
+                                workspace - only the new recipe is placed
                                 in the workspace.</para>
 
                                 <para>Aside from a recipe folder, the command