diff --git a/color qr.md b/color qr.md
index b36c3ca64..20bd4e0fb 100644
--- a/color qr.md	
+++ b/color qr.md	
@@ -1,3 +1,5 @@
 - [[qr codes]] are black and white only, but there are some colorful alternatives:
-	- [[jab code]]
-	- [[hcc]]
\ No newline at end of file
+	- [[jab]]
+	- [[hccb]]
+
+https://twitter.com/flancian/status/1405974430048731140
\ No newline at end of file
diff --git a/hccb.md b/hccb.md
new file mode 100644
index 000000000..fdd14303f
--- /dev/null
+++ b/hccb.md
@@ -0,0 +1 @@
+- [[pull]] 
\ No newline at end of file
diff --git a/jab code.md b/jab code.md
new file mode 100644
index 000000000..c3bc21508
--- /dev/null
+++ b/jab code.md	
@@ -0,0 +1,2 @@
+- [[go]] https://jabcode.org/
+	- "just another bar code
\ No newline at end of file
diff --git a/jab.md b/jab.md
new file mode 100644
index 000000000..92daddc0d
--- /dev/null
+++ b/jab.md
@@ -0,0 +1 @@
+- [[pull]] [[jab code]]
\ No newline at end of file