diff --git a/src/sampleconf/recoll.conf b/src/sampleconf/recoll.conf
index 29e3caac..a98e6e36 100644
--- a/src/sampleconf/recoll.conf
+++ b/src/sampleconf/recoll.conf
@@ -46,6 +46,7 @@ topdirs = ~
 skippedNames = #* CVS  Cache cache* .cache caughtspam tmp \
      .thumbnails .svn *.rclwe \
      *~ .beagle .git .hg .bzr loop.ps .xsession-errors \
+     *.pyc __pycache__ .pytest_cache .tox .direnv \
      .recoll* xapiandb recollrc recoll.conf
 
 # <var name="skippedNames-" type="string">
@@ -753,9 +754,11 @@ checkneedretryindexscript = rclcheckneedretry.sh
 # <var name="recollhelperpath" type="string">
 #
 # <brief>Additional places to search for helper executables.</brief>
-# <descr>This is used on Windows by the Python code, and on Mac OS by
-# the bundled recoll.app (because I could find no reliable way to tell
-# launchd to set the PATH. The example below is for Windows.</descr></var>
+#
+# <descr>This is used, e.g., on Windows by the Python code, and on Mac OS by the bundled recoll.app
+# (because I could find no reliable way to tell launchd to set the PATH). The example below is for
+# Windows. Use ':' as entry separator for Mac and Ux-like systems, ';' is for Windows only.</descr>
+# </var>
 #recollhelperpath = c:/someprog/bin;c:/someotherprog/bin
 
 # <var name="idxabsmlen" type="int">