DOC: Updated documentation a bit.

src/doc/crawler.rst

@@ -88,9 +88,9 @@ Typically, an invocation looks like:
 
    python3 crawl.py /someplace/
 
-.. Note:: For trying this out with the above mentioned example crawler from the integration tests,
+.. Note:: For trying out the above mentioned example crawler from the integration tests,
           make sure that the ``extroot`` directory in the ``integrationtests`` folder is used as
-          CaosDB's extroot directory,and call the crawler with ``python3 crawl.py /``.
+          CaosDB's extroot directory, and call the crawler indirectly via ``./test.sh``.
 
 In this case ``/someplace/`` identifies the path to be crawled **within
 CaosDB's file system**. You can browse the CaosDB file system by