Index: uspace/lib/pcut/src/report/tap.c
===================================================================
--- uspace/lib/pcut/src/report/tap.c	(revision 01579ad1020d073a91a73278666eb1fa947e04f5)
+++ uspace/lib/pcut/src/report/tap.c	(revision 15d0046f9b3c481dc13462cd9c94e9f757fa743d)
@@ -48,5 +48,8 @@
 static int failed_tests_in_suite;
 
-/** Initialize the tap output. */
+/** Initialize the TAP output.
+ *
+ * @param all_items Start of the list with all items.
+ */
 static void tap_init(pcut_item_t *all_items) {
 	int tests_total = pcut_count_tests(all_items);
@@ -56,5 +59,8 @@
 }
 
-/** Report that a suite was started. */
+/** Report that a suite was started.
+ *
+ * @param suite Suite that just started.
+ */
 static void tap_suite_start(pcut_item_t *suite) {
 	tests_in_suite = 0;
@@ -64,5 +70,8 @@
 }
 
-/** Report that a suite was completed. */
+/** Report that a suite was completed.
+ *
+ * @param suite Suite that just ended.
+ */
 static void tap_suite_done(pcut_item_t *suite) {
 	printf("#> Finished suite %s (failed %d of %d).\n",
@@ -104,5 +113,12 @@
 }
 
-/** Report a completed test. */
+/** Report a completed test.
+ *
+ * @param test Test that just finished.
+ * @param outcome Outcome of the test.
+ * @param error_message Buffer with error message.
+ * @param teardown_error_message Buffer with error message from a tear-down function.
+ * @param extra_output Extra output from the test (stdout).
+ */
 static void tap_test_done(pcut_item_t *test, int outcome,
 		const char *error_message, const char *teardown_error_message,
Index: uspace/lib/pcut/src/report/xml.c
===================================================================
--- uspace/lib/pcut/src/report/xml.c	(revision 01579ad1020d073a91a73278666eb1fa947e04f5)
+++ uspace/lib/pcut/src/report/xml.c	(revision 15d0046f9b3c481dc13462cd9c94e9f757fa743d)
@@ -48,5 +48,8 @@
 static int failed_tests_in_suite;
 
-/** Initialize the XML output. */
+/** Initialize the XML output.
+ *
+ * @param all_items Start of the list with all items.
+ */
 static void xml_init(pcut_item_t *all_items) {
 	printf("<?xml version=\"1.0\"?>\n");
@@ -58,5 +61,8 @@
 }
 
-/** Report that a suite was started. */
+/** Report that a suite was started.
+ *
+ * @param suite Suite that just started.
+ */
 static void xml_suite_start(pcut_item_t *suite) {
 	tests_in_suite = 0;
@@ -66,5 +72,8 @@
 }
 
-/** Report that a suite was completed. */
+/** Report that a suite was completed.
+ *
+ * @param suite Suite that just ended.
+ */
 static void xml_suite_done(pcut_item_t *suite) {
 	printf("\t</suite><!-- %s: %d / %d -->\n", suite->suite.name,
@@ -111,5 +120,12 @@
 }
 
-/** Report a completed test. */
+/** Report a completed test.
+ *
+ * @param test Test that just finished.
+ * @param outcome Outcome of the test.
+ * @param error_message Buffer with error message.
+ * @param teardown_error_message Buffer with error message from a tear-down function.
+ * @param extra_output Extra output from the test (stdout).
+ */
 static void xml_test_done(pcut_item_t *test, int outcome,
 		const char *error_message, const char *teardown_error_message,