diff --git a/sys/ddb/db_textdump.c b/sys/ddb/db_textdump.c
index a1a99f41f11f..aeeeec863cec 100644
--- a/sys/ddb/db_textdump.c
+++ b/sys/ddb/db_textdump.c
@@ -52,7 +52,7 @@
  * TODO
  * ----
  *
- * - Allow subsytems to register to submit files for inclusion in the text
+ * - Allow subsystems to register to submit files for inclusion in the text
  *   dump in a generic way.
  */