diff --git a/v2/tools/boostbook.jam b/v2/tools/boostbook.jam
index a843d9ad7..d6730c0d6 100644
--- a/v2/tools/boostbook.jam
+++ b/v2/tools/boostbook.jam
@@ -575,13 +575,14 @@ rule generate-xml-catalog ( target : sources * : properties * )
 
 
 # Returns information about the global XML catalog target, creating it lazily if
-# needed. To get this global catalog generated only once we do not create it in
-# every project that requests it but instead only create it in the first and
-# reuse it from there in any others that might request it.
+# needed. To get the global catalog generated only once we do not create it in
+# every project that requests it but instead only create it based on the first
+# project requesting it and then reuse it from there for any later requests.
 #
 # FIXME: Ideally the catalog target should be created as part of the boostbook
-# project, however this is not currently possible as such standalong projects do
-# not inherit things like the build directory.
+# project and stored in some central location for all used standalone pojects,
+# shared between all builds made on that system. This however would require much
+# more though to add the necessary changes to Boost Build's internal design.
 #
 rule xml-catalog ( project )
 {
@@ -598,10 +599,10 @@ rule xml-catalog ( project )
 
 class boostbook-generator : generator
 {
-    import feature ;
-    import virtual-target ;
-    import generators ;
     import boostbook ;
+    import feature ;
+    import generators ;
+    import virtual-target ;
 
     rule __init__ ( * : * )
     {