Update README.md

Author: LucFF

coding_conventions/README.md

@@ -85,7 +85,7 @@ plot(signal, color = color.orange)
 
 ### Constants
 
-Constants are variables whose value will not change during script execution. Use all caps snake case for constants, and declare them using the `var` keyword so they are only initialized when the script executes at bar zero, or when [``barstate.isfirst``](https://www.tradingview.com/pine-script-reference/v4/#var_barstate{dot}isfirst) is true. Examples:
+Constants are variables whose value will not change during script execution. Use all caps snake case for constants, and declare them using the `var` keyword so they are only initialized when the script executes at bar zero, when [``barstate.isfirst``](https://www.tradingview.com/pine-script-reference/v4/#var_barstate{dot}isfirst) is true. Example:
 
 ```js
 // ———————————————————— Constants, global arrays and inputs {