Fix incorrect wasm subcommand 'about' text.

cranelift/src/clif-util.rs

@@ -128,7 +128,7 @@ fn get_vec(argument_vec: Option<clap::Values>) -> Vec<String> {
 
 fn add_wasm_or_compile<'a>(cmd: &str) -> clap::App<'a, 'a> {
     let about_str = match cmd {
-        "wasm" => "Compiles Cranelift IR into target language",
+        "wasm" => "Compiles Wasm binary/text into Cranelift IR and then into target language",
         "compile" => "Compiles Cranelift IR into target language",
         _ => panic!("Invalid command"),
     };

cranelift/src/wasm.rs

@@ -1,7 +1,7 @@
 //! CLI tool to use the functions provided by the [cranelift-wasm](../cranelift_wasm/index.html)
 //! crate.
 //!
-//! Reads Wasm binary files, translates the functions' code to Cranelift IR.
+//! Reads Wasm binary/text files, translates the functions' code to Cranelift IR.
 #![cfg_attr(
     feature = "cargo-clippy",
     allow(too_many_arguments, cyclomatic_complexity)