Update compiler/rustc_parse/messages.ftl

Co-authored-by: Vadim Petrochenkov <vadim.petrochenkov@gmail.com>

Author: xizheyin

compiler/rustc_parse/messages.ftl

@@ -702,7 +702,7 @@ parse_parenthesized_lifetime_suggestion = remove the parentheses
 parse_path_double_colon = path separator must be a double colon
     .suggestion = use a double colon instead
 
-parse_path_found_named_params = syntax does not allow named arguments
+parse_path_found_named_params = `Trait(...)` syntax does not support named parameters
     .suggestion = remove name of the param
 
 parse_pattern_method_param_without_body = patterns aren't allowed in methods without bodies