diff --git a/test/lib/helpers/arguments-test.sh b/test/lib/helpers/arguments-test.sh
index c42a216..e4ac933 100755
--- a/test/lib/helpers/arguments-test.sh
+++ b/test/lib/helpers/arguments-test.sh
@@ -4,7 +4,7 @@ source "../../src/lib/arguments.sh"
 
 
 #
-# has-argument()
+# has-argument() tests
 #
 
 # Returns 1 when it does not have argument.
@@ -20,7 +20,7 @@ assert_end "has-argument()"
 
 
 #
-# parse-argument()
+# parse-argument() tests
 #
 
 # Echos nothing and returns 1 when argument is not present.
diff --git a/test/lib/helpers/trim-test.sh b/test/lib/helpers/trim-test.sh
index 659158f..e6b7871 100755
--- a/test/lib/helpers/trim-test.sh
+++ b/test/lib/helpers/trim-test.sh
@@ -2,6 +2,10 @@
 source "../test-helper.sh"
 source "../../src/lib/trim.sh"
 
+#
+# trim() tests
+#
+
 assert 'trim "  foo bar  "' "foo bar"
 assert 'trim "foo bar  "' "foo bar"
 assert 'trim "  foo bar"' "foo bar"