diff --git a/scan b/scan
index 6a1d9a7..40d9f68 100755
--- a/scan
+++ b/scan
@@ -90,17 +90,20 @@ function is_mounted() {
 function usage() {
     echo "usage: $0 [OPTIONS] filename tag1 [tag2] [tag3] ... [tagX]"
     echo ""
-    echo "       Scans to:  \$PDFDIR/tag1/<year>/filename"
-    echo "       Creates symlinks in:"
+    echo "       1. Mounts \$PDFSHARE to \$PDFDIR"
+    echo "       2. Scans to:  \$PDFDIR/tag1/<year>/filename"
+    echo "       3. Creates symlinks in:"
     echo "                  \$PDFDIR/tag2/<year>/filename"
     echo "                  \$PDFDIR/tag3/<year>/filename"
     echo "                  ...etc..."
     echo ""
+    echo "    OPTIONS"
     echo "       -d      scan in duplex mode"
     echo "       -f xxx  for given tag, use financial year in path rather than calendar year"
     echo "       -h      show this text"
     echo "       -l      list all available scanners"
     echo "       -m      multi-page mode (prompts to load new pages each time)"
+    echo "       -M      mount \$PDFSHARE to \$PDFDIR then exit"
     echo "       -o      use ocrmypdf to straighten document, extract text into pdf and use tags as keyword metadata"
     echo "       -O xxx  specify path to ocrmypdf"
     echo "       -p      preview document after scanning"
@@ -116,7 +119,7 @@ P2TPROG="pdftotext"
 DUPLEXOPTS=""
 MODE="scan"
 DIR=${PDFDIR:-"~/Documents"}
-SHARE=${PDFSHARE:-"//rob@nas.nethack.net:/pdfs"}
+SHARE=${PDFSHARE:-"//user@smbhost.example.net:/pdfs"}
 SCANNEROPTS=""
 MULTIPAGE=0
 OCR=0