Update index.md (#1170)

Link appears to be wrong and does not work when I click on it in Edge. Loads the same page again instead of loading the correct new page from the hyperlink. https://www.openhab.org/docs/developer/guidelines.html
openhab · Mar 16, 2020 · 2c3b84a · 2c3b84a
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Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/developers/index.md b/developers/index.md
@@ -39,7 +39,7 @@ Therefore: First think what you want to achieve! Check our [community forum](htt
 and discuss your concept.
 
 Find the right abstraction and the corresponding link on the left navigation panel.
-General [coding guidelines](development/guidelines.html) apply to all types of addon development.
+General [coding guidelines](docs/developer/guidelines.html) apply to all types of addon development.
 
 ## Setup the Development Environment