diff --git a/Connector-Mapping.md b/Connector-Mapping.md
index 6811cef8..dde9ef62 100644
--- a/Connector-Mapping.md
+++ b/Connector-Mapping.md
@@ -8,4 +8,8 @@ Pin type, function and mapping between user-phasing physical pin and stm32 MCU p
 
 Pin locations section is help Java Script of https://rusefi.com/docs/pinouts/ locate the pin on the user friendly interactive documentation page.
 
-Connector Mapping process is invoked nightly or could be requested on demand.
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+Connector Mapping process is invoked nightly or could be requested on demand.
+
+# Best Practives
+
+YAML is all about space indentation. http://www.yamllint.com/ is a great online yaml validator.
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