Index: kernel/generic/src/console/prompt.c
===================================================================
--- kernel/generic/src/console/prompt.c	(revision aca4a04f4f74053450eb044698771dc0fe13d2ef)
+++ kernel/generic/src/console/prompt.c	(revision 550af2b9b95db1cff1171a60c5d1b0b41ea88a40)
@@ -39,4 +39,10 @@
 #include <console/prompt.h>
 
+/** Display the <i>display all possibilities</i> prompt and wait for answer.
+ *
+ * @param indev Where to read characters from.
+ * @param hints Number of hints that would be displayed.
+ * @return Whether to print all hints.
+ */
 bool console_prompt_display_all_hints(indev_t *indev, size_t hints)
 {
@@ -58,4 +64,12 @@
 }
 
+/** Display the <i>--more--</i> prompt and wait for answer.
+ *
+ * When the function returns false, @p display_hints is set to zero.
+ *
+ * @param[in] indev Where to read characters from.
+ * @param[out] display_hints How many hints to display.
+ * @return Whether to display more hints.
+ */
 bool console_prompt_more_hints(indev_t *indev, size_t *display_hints)
 {