valadoc: fix --help output for --doclet option.

diff --git a/src/valadoc/valadoc.vala b/src/valadoc/valadoc.vala
index 02ff730220824b4fa4314ee1ff9804be1e0b0b88..5dc001abdd75c63902c79108ef803c45578ec895 100755 (executable)
--- a/src/valadoc/valadoc.vala
+++ b/src/valadoc/valadoc.vala
@@ -83,7 +83,7 @@ public class ValaDoc : Object {
                { "wiki", 0, 0, OptionArg.FILENAME, ref wikidirectory, "Wiki directory", "DIRECTORY" },
                { "deps", 0, 0, OptionArg.NONE, ref with_deps, "Adds packages to the documentation", null },
                { "doclet-arg", 'X', 0, OptionArg.STRING_ARRAY, ref pluginargs, "Pass arguments to the doclet", "ARG" },
-               { "doclet", 0, 0, OptionArg.STRING, ref pluginpath, "plugin", "Name of an included doclet or path to custom doclet" },
+               { "doclet", 0, 0, OptionArg.STRING, ref pluginpath, "Name of an included doclet or path to custom doclet", "PLUGIN"},
 
                { "no-protected", 0, OptionFlags.REVERSE, OptionArg.NONE, ref _protected, "Removes protected elements from documentation", null },
                { "internal", 0, 0, OptionArg.NONE, ref _internal, "Adds internal elements to documentation", null },