diff --git a/etc/README.md b/etc/README.md
index 948c236..9417cb7 100644
--- a/etc/README.md
+++ b/etc/README.md
@@ -35,6 +35,7 @@ into account when deploying and using Midipix distributions.
 		4.4.2. [Package variables](#442-package-variables)  
 	4.5. [Fault-tolerant & highly optimised 3D laser show-equipped usage screen](#45-fault-tolerant--highly-optimised-3d-laser-show-equipped-usage-screen)  
 	4.6. [``pkgtool.sh``](#46-pkgtoolsh)  
+	4.7. [Bourne shell coding rules](#47-bourne-shell-coding-rules)  
 5. [References](#5-references)  
 
 [//]: "}}}"
@@ -941,6 +942,14 @@ by setting ``ARG_MIRROR_DNAME_GIT=...``.
 [Back to top](#table-of-contents)
 
 [//]: # "}}}"
+[//]: # "{{{ 4.7. Bourne shell coding rules"
+## 4.7. Bourne shell coding rules
+
+XXX
+  
+[Back to top](#table-of-contents)
+
+[//]: # "}}}"
 
 [//]: # "{{{ 5. References"
 ## 5. References