test a minor help change

Author: briantoby

.github/workflows/helpxfer.yml

@@ -12,7 +12,7 @@ on:
       - MDhelp
 
 jobs:
-  build:       # Build web pages
+  trigger:       # Build web pages
     runs-on: ubuntu-latest
     steps:
       - name: Trigger remote workflow to update help files in GSAS-II repo

MDhelp/docs/preface.md

@@ -4,10 +4,14 @@
 <a name="Tutorials"></a>
 
 The best way to learn about how different sections of GSAS-II is used
-is to work through some of the tutorials. 
-A list of available tutorial topics appears on a [separate web
-page](https://advancedphotonsource.github.io/GSAS-II-tutorials/tutorials.html). Each
-demonstrates a different aspect of GSAS-II; when significant new
+is to work through some of the tutorials. The tutorials are best
+accessed through the Help/Tutorials menu command, as once a tutorial
+has been selected, that will both open the tutorial instructions in a web browser and will 
+download any input files needed to run the tutorial. 
+It is also possible to access the tutorials via a [separate web
+page](https://advancedphotonsource.github.io/GSAS-II-tutorials/tutorials.html). 
+
+Each tutorial demonstrates a different aspect of GSAS-II; when significant new
 capabilities are added to GSAS-II it is common to create a new
 tutorial. Since
 it is unlikely that any one person will use all the features of