Fix terminology in comment

In computing, brackets are []. () are called parentheses.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/tests/scripts/check_names.py b/tests/scripts/check_names.py
index 9fc610b..730d6fc 100755
--- a/tests/scripts/check_names.py
+++ b/tests/scripts/check_names.py
@@ -537,7 +537,7 @@
                     continue
 
                 # If the line contains only space-separated alphanumeric
-                # characters (or underscore, asterisk, or, open bracket),
+                # characters (or underscore, asterisk, or open parenthesis),
                 # and nothing else, high chance it's a declaration that
                 # continues on the next line
                 if re.search(r"^([\w\*\(]+\s+)+$", line):