diff --git a/docs/examples/complex-app.md b/docs/examples/complex-app.md
index af6e622..0c9aad8 100644
--- a/docs/examples/complex-app.md
+++ b/docs/examples/complex-app.md
@@ -47,9 +47,6 @@ does testing things
 
 * `-l`, `--list` — lists test values
 
-  Possible values: `true`, `false`
-
-
 
 
 <hr/>
diff --git a/src/lib.rs b/src/lib.rs
index dd3d152..489eaba 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -416,7 +416,9 @@ fn write_arg_markdown(buffer: &mut String, arg: &clap::Arg) -> fmt::Result {
         .filter(|pv| !pv.is_hide_set())
         .collect();
 
-    if !possible_values.is_empty() {
+    if !matches!(arg.get_action(), clap::ArgAction::SetTrue)
+        && !possible_values.is_empty()
+    {
         let any_have_help: bool =
             possible_values.iter().any(|pv| pv.get_help().is_some());