fix(parser): Report correct num_args on too-few

Fixes #5526

Author: epage

clap_builder/src/error/format.rs

@@ -337,7 +337,7 @@ fn write_dynamic_context(
                 let were_provided = singular_or_plural(*actual_num_values as usize);
                 let _ = write!(
                     styled,
-                    "{}{min_values}{} more values required by '{}{invalid_arg}{}'; only {}{actual_num_values}{}{were_provided}",
+                    "{}{min_values}{} values required by '{}{invalid_arg}{}'; only {}{actual_num_values}{}{were_provided}",
                     valid.render(),
                     valid.render_reset(),
                     literal.render(),

tests/builder/multiple_values.rs

@@ -259,7 +259,7 @@ fn option_min_less() {
     assert_eq!(err.kind(), ErrorKind::TooFewValues);
     #[cfg(feature = "error-context")]
     assert_data_eq!(err.to_string(), str![[r#"
-error: 3 more values required by '-o <option> <option> <option>...'; only 2 were provided
+error: 3 values required by '-o <option> <option> <option>...'; only 2 were provided
 
 Usage: multiple_values [OPTIONS]
 
@@ -603,7 +603,7 @@ fn positional_min_less() {
     assert_eq!(err.kind(), ErrorKind::TooFewValues);
     #[cfg(feature = "error-context")]
     assert_data_eq!(err.to_string(), str![[r#"
-error: 3 more values required by '[pos] [pos] [pos]...'; only 2 were provided
+error: 3 values required by '[pos] [pos] [pos]...'; only 2 were provided
 
 Usage: myprog [pos] [pos] [pos]...