Document new dpkg-deb funtions

1 files changed, 5 insertions, 3 deletions

diff --git a/include/usage.h b/include/usage.h
index 31c749e2f..40171fc3d 100644
--- a/include/usage.h
+++ b/include/usage.h
@@ -265,13 +265,15 @@
         "WORK IN PROGRESS, only usefull for debian-installer"
 
 #define dpkg_deb_trivial_usage \
-        "[-cefxX] file directory"
+        "[-cefItxX] file [argument]"
 #define dpkg_deb_full_usage \
         "Perform actions on debian packages (.debs)\n\n" \
         "Options:\n" \
         "\t-c\tList contents of filesystem tree\n" \
-        "\t-e\tExtract control files to directory\n" \
-        "\t-f\tExtract filesystem tree to stdout in tar format\n" \
+        "\t-e\tExtract control files to [argument] directory\n" \
+        "\t-f\tDisplay control field name starting with [argument]\n" \
+        "\t-I\tDisplay the control filenamed [argument]\n" \
+        "\t-t\tExtract filesystem tree to stdout in tar format\n" \
         "\t-x\tExctract packages filesystem tree to directory\n" \
         "\t-X\tVerbose extract"
 #define dpkg_deb_example_usage \