diff --git a/backus naur form.md b/backus naur form.md
new file mode 100644
index 000000000..8fabb1443
--- /dev/null
+++ b/backus naur form.md	
@@ -0,0 +1,7 @@
+# backus naur form
+
+- a [[notation]]
+  - for [[context free grammars]]
+  - [[pull]] [[bnf]]
+  - [[wp]] https://en.wikipedia.org/wiki/Backus%E2%80%93Naur_form
+
diff --git a/journal/2021-11-06.md b/journal/2021-11-06.md
index b93b6084d..c01bda649 100644
--- a/journal/2021-11-06.md
+++ b/journal/2021-11-06.md
@@ -31,5 +31,7 @@
 - [[project snapshot]]
 - [[h atom]]
 - [[plan]]
+  - finally updated [[agora plan]]!
 - [[push]] [[c2]]
-  - [[ward]] updated https://wiki.c2.com with an interesting new UI!
\ No newline at end of file
+  - [[ward]] updated https://wiki.c2.com with an interesting new UI!
+- [[backus naur form]]
\ No newline at end of file