Include the --dir argument in the help text.

diff --git a/Doc/tools/mkhowto b/Doc/tools/mkhowto
index d2ff6461015a2ea2cf2f16d39766d9b1fe323881..4fe97fb84f3246c0c6bff11c3afd2835e6f3e1f3 100755 (executable)
--- a/Doc/tools/mkhowto
+++ b/Doc/tools/mkhowto
@@ -13,6 +13,7 @@ Options specifying formats to build:
 
 HTML options:
     --address, -a      Specify an address for page footers.
+    --dir              Specify the directory for HTML output.
     --link             Specify the number of levels to include on each page.
     --split, -s                Specify a section level for page splitting, default: %(max_split_depth)s.
     --iconserver, -i   Specify location of icons (default: ./).