Quickfix technical docs for debugging

diff --git a/doc/19-technical-concepts.md b/doc/19-technical-concepts.md
index 878e5391fea3f2d8a53b47359649de1375b0a60b..d9aec5266ac544aa5c7ba219f427fb8f10554c97 100644 (file)
--- a/doc/19-technical-concepts.md
+++ b/doc/19-technical-concepts.md
@@ -946,7 +946,7 @@ This section describes the internal cluster messages exchanged between endpoints
 
 > **Tip**
 >
-> Debug builds with `icinga2 daemon -DDebugJsonRpc=1` unveils the JSON-RPC messages.
+> Debug builds with `icinga2 daemon -DInternal.DebugJsonRpc=1` unveils the JSON-RPC messages.
 
 ### Registered Handler Functions