diff --git a/src/sampleconf/recoll.conf b/src/sampleconf/recoll.conf
index 7cfac94f..feeb6868 100644
--- a/src/sampleconf/recoll.conf
+++ b/src/sampleconf/recoll.conf
@@ -66,10 +66,15 @@ noContentSuffixes = .md5 .map \
 loglevel = 3
 logfilename = stderr
 
+# The following can be used to set different values for logging by the
+# indexer (recollindex). The default is to use loglevel/logfilename
+#idxloglevel = 3
+#idxlogfilename = stderr
+
 # Specific versions of log file name and level for the indexing daemon. The 
-# default is to use the above values.
-# daemloglevel = 3
-# daemlogfilename = /dev/null
+# default is to use the idx... values if set, else the log... values.
+#daemloglevel = 3
+#daemlogfilename = /dev/null
 
 # Run directory for the indexing process. The filters sometimes leave
 # garbage in the current directory, so it makes sense to have recollindex
@@ -383,15 +388,25 @@ snippetMaxPosWalk = 1000000
 #   undetected). Perform a full index reset after changing this.
 testmodifusemtime = 0
 
+# Disable extended attributes conversion to metadata fields. This probably
+# needs to be set if testmodifusemtime is set.
+noxattrfields = 0
+
 # Script used to heuristically check if we need to retry indexing files
 # which previously failed. The default script checks the modified dates on
 # /usr/bin and /usr/local/bin. A relative path will be looked up in the
 # filters dirs, then in the path. Use an absolute path to do otherwise.
 checkneedretryindexscript = rclcheckneedretry.sh
 
-# Disable extended attributes conversion to metadata fields. This probably
-# needs to be set if testmodifusemtime is set.
-noxattrfields = 0
+# Parameters for the PDF input script
+# Attempt OCR of PDF files with no text content if both tesseract and
+# pdftoppm are installed. The default is not to do it because OCR is so
+# very slow
+#pdfocr = 0
+# Enable PDF attachment extraction, using pdftk (if available). This is
+# normally disabled, because it does slow down PDF indexing a bit even if
+# not one attachment is ever found. 
+#pdfattach = 0
 
 # You could specify different parameters for a subdirectory like this:
 #[~/hungariandocs/plain]