common_options: dont build/eval example code
//! extend then functionality of cargo-flash.
//!
//! Example usage:
-//! ```
+//! ```text
//! use structopt::StructOpt;
//! use probe_rs_cli_util::common_options::FlashOptions;
//!
@@ -324,7 +324,7 @@ pub struct CargoOptions {
impl CargoOptions {
/// Generates a suitable help string to append to your program's
/// --help. Example usage:
- /// ```
+ /// ```text
/// let matches = FlashOptions::clap()
/// .bin_name("cargo flash")
/// .after_help(CargoOptions::help_message("cargo flash").as_str())
