diff --git a/scripts/projects.py b/scripts/projects.py
index 68b76713..08289fe5 100644
--- a/scripts/projects.py
+++ b/scripts/projects.py
@@ -275,11 +275,11 @@ def cmd_ldflags(args_):
     print(get_ldflags(args.module))
 
 def cmd_cflags(args_):
-    parser = argparse.ArgumentParser(description='ldlibpath')
+    parser = argparse.ArgumentParser(description='cflags')
     parser.add_argument('module', nargs='*', help='Modules')
     args=parser.parse_args(args_)
     deps = get_modules_from_project_txt(args.module, 'pkg.required.jw', 'build',
-            scope = 1, add_self=True, names_only=True)
+            scope = 2, add_self=True, names_only=True)
     r = ''
     for m in reversed(deps):
         r = r + ' -I' + proj_dir(m) + '/include'
@@ -307,6 +307,8 @@ def cmd_prereq(args_):
 
 def cmd_pkg_requires(args_):
     parser = argparse.ArgumentParser(description='pkg-requires')
+    # TODO: implement Vendor evaluation
+    parser.add_argument('vendor', help='Vendor', default='jw')
     parser.add_argument('flavour', help='Flavour')
     parser.add_argument('module', nargs='*', help='Modules')
     args=parser.parse_args(args_)