diff --git a/src/msg/cli.rs b/src/msg/cli.rs
index 32c063a..5e7d6da 100644
--- a/src/msg/cli.rs
+++ b/src/msg/cli.rs
@@ -106,7 +106,7 @@ pub fn msg_subcmds<'a>() -> Vec<App<'a, 'a>> {
                     .help("MIME type to use")
                     .short("t")
                     .long("mime-type")
-                    .value_name("STRING")
+                    .value_name("MIME")
                     .possible_values(&["plain", "html"])
                     .default_value("plain"),
             )
diff --git a/wiki b/wiki
index 4915c0f..0fcda7b 160000
--- a/wiki
+++ b/wiki
@@ -1 +1 @@
-Subproject commit 4915c0f7798a16d9e899f983e6ca583d713150df
+Subproject commit 0fcda7ba6028c3e9d395a15c14bc70d87a5ecec6