1 files changed, 12 insertions, 2 deletions
diff --git a/lib/stdio.h b/lib/stdio.h
index 9a0c41e..5ef68f1 100644
--- a/lib/stdio.h
+++ b/lib/stdio.h
@@ -2,8 +2,15 @@
 
 #include <stdarg.h>
 
+///@defgroup libk libk
+///@{
+///@defgroup stdio stdio
+///@{
+
 #ifdef __cplusplus
-/** An object type used for streams */
+/**
+ * An object type used for streams
+ */
 struct kIoDevice {
   /** Function that prints a character to the stream */
   virtual void putc(char) = 0;
@@ -29,8 +36,8 @@ extern "C" {
 #endif
 /**
  * Write the formatted string to stdout
- *
  * Supports ``%s`` (string), ``%d`` (decimal), ``%u`` (unsigned), ``%x`` (hexadecimal)
+ * @return number of bytes written
  */
 int printf(const char *restrict format, ...);
 
@@ -46,3 +53,6 @@ int vfprintf(FILE *restrict stream, const char *restrict format, va_list ap);
 #ifdef __cplusplus
 }
 #endif
+
+///@}
+///@}