1 files changed, 1 insertions, 0 deletions
diff --git a/spec.md b/spec.md
index bac7d39..640622a 100644
--- a/spec.md
+++ b/spec.md
@@ -37,3 +37,4 @@ RSF    ( a shift -- c ) right shift
 SLP    ( -- ) give control back to the interpreter
 INC    ( a -- a+1 )
 DEC    ( a -- a-1 )
+DBG    ( -- ) output debug informations, can be omitted in release builds