chore: update docs (#672)

* Update Rsi.md
* Update contributing.md

docs/_indicators/Rsi.md

@@ -3,8 +3,6 @@ title: Relative Strength Index (RSI)
 permalink: /indicators/Rsi/
 type: oscillator
 layout: indicator
-redirect_from:
- - /Indicators/Rsi/
 ---
 
 # {{ page.title }}

docs/contributing.md

@@ -20,7 +20,7 @@ We are not accepting things that should be done in your own wrapper code:
 - Personal customizations and preferences
 - Modified or augmented outputs that are not instrinsic
 
-If you have general interest in contributing, but are not sure where to start, please [contact us](#contact-info) and we can help to find work in an area of your intests.
+If you have general interest in contributing, but are not sure where to start, please [contact us](#contact-info) and we can help to find work in an area of interest.
 
 ## Reporting bugs and feature requests