diff --git a/RELEASE-NOTES b/RELEASE-NOTES
index 83ae5cb..5edde08 100644
--- a/RELEASE-NOTES
+++ b/RELEASE-NOTES
@@ -18,6 +18,8 @@ so you can now build RETRO without needing a C compiler.
   (thanks to Scott McCallum for reporting this)
 - fixed the `sh` instruction (which was totally broken prior to
   this, thanks to Scott for reporting this)
+- `retro-describe` no longer uses the `-J` parameter when invoking
+  `xargs` which should let it work on non-BSD systems.
 
 ## Build Improvements
 
diff --git a/tools/epub/chapters-to-xhtml.retro b/tools/epub/chapters-to-xhtml.retro
index 912bff6..71f372f 100755
--- a/tools/epub/chapters-to-xhtml.retro
+++ b/tools/epub/chapters-to-xhtml.retro
@@ -23,13 +23,8 @@ for me.
 ~~~
 'Out var
 
-:import        BOOK-BASE over OUT-BASE '>%s%s.html_retro_example/markdown-to-xhtml.retro_%s%s s:format unix:system ;
-:/n            ASCII:LF @Out file:write ;
-:add-to-book   here [ @Out file:write ] s:for-each ;
-:process-files [ #1 a:fetch import $. c:put ] a:for-each nl ;
-:open          'doc/RETRO-Book.md file:open-for-writing !Out ;
-:close         @Out file:close ;
-:assemble      open process-files close ;
+:import    BOOK-BASE over OUT-BASE '>%s%s.html_retro_example/markdown-to-xhtml.retro_%s%s s:format unix:system ;
+:assemble  [ #1 a:fetch import $. c:put ] a:for-each nl ;
 ~~~
 
 ~~~