Fix tip message

Author: Rustin170506

src/cargo/util/command_prelude.rs

@@ -119,7 +119,7 @@ pub trait CommandExt: Sized {
         actual: &'static str,
     ) -> Self {
         let msg = format!(
-            "There is no `--{want}` for `cargo {command}`. Only `--{actual}` is supported."
+            "there is no `--{want}` for `cargo {command}`. Only `--{actual}` is supported."
         );
         let value_parser = UnknownArgumentValueParser::suggest(msg);
         self._arg(flag(want, "").value_parser(value_parser).hide(true))

tests/testsuite/build.rs

@@ -147,7 +147,7 @@ fn cargo_compile_with_unsupported_mode() {
             "\
 error: unexpected argument '--debug' found
 
-  tip: There is no `--debug` for `cargo build`. Only `--release` is supported.
+  tip: there is no `--debug` for `cargo build`. Only `--release` is supported.
 
 Usage: cargo[EXE] build [OPTIONS]
 

tests/testsuite/install.rs

@@ -2453,7 +2453,7 @@ fn install_with_unsupported_mode() {
             "\
 error: unexpected argument '--release' found
 
-  tip: There is no `--release` for `cargo install`. Only `--debug` is supported.
+  tip: there is no `--release` for `cargo install`. Only `--debug` is supported.
 
 Usage: cargo[EXE] install [OPTIONS] [crate]...