diff --git a/README.md b/README.md
index 8c6ba2287553c2567ec4b8338c6ee65cc0d0b8d0..93878539c32ae8e7030b1c15d37651e41b902879 100644
--- a/README.md
+++ b/README.md
@@ -9,3 +9,15 @@
 
 * http://facelessuser.github.io/pymdown-extensions/
 * http://squidfunk.github.io/mkdocs-material/
+
+## Rules
+
+* SI units http://physics.nist.gov/cuu/Units/checklist.html
+
+```
+fair-share
+InfiniBand
+RedHat
+CentOS
+Mellanox
+```