A couple innocuous tweaks to Ch 3, dev manual.

index 2385187..98a8334 100644
@@ -1028,10 +1028,11 @@
         </para>
 
         <para>
-            Some key tags are <filename>dylan-9.0.0</filename>,
-            <filename>dora-10.0.0</filename>, <filename>daisy-11.0.0</filename>,
+            Some key tags are <filename>dylan-9.0.4</filename>,
+            <filename>dora-10.0.4</filename>, <filename>daisy-11.0.2</filename>,
+            <filename>dizzy-12.0.0</filename>,
             and <filename>&DISTRO_NAME;-&POKYVERSION;</filename>.
-            These tags represent Yocto Project releases.
+            These tags represent (in some cases, updated) Yocto Project releases.
         </para>
 
         <para>

@@ -1074,7 +1075,9 @@
             A good place to look for instruction on a minimal set of Git commands is
             <ulink url='http://git-scm.com/documentation'>here</ulink>.
             If you need to download Git, you can do so
-            <ulink url='http://git-scm.com/download'>here</ulink>.
+            <ulink url='http://git-scm.com/download'>here</ulink>, although any
+            reasonably current version of Linux should have an installable package
+            for it already.
         </para>
 
         <para>