update tutorials/_index.md

en/tutorials/_index.md

@@ -11,7 +11,7 @@ title: Tutorials
 ## E-textile
 
 * Photo tutorial for the E-textile card10 workshop at CCCam19 by plusea https://flickr.com/photos/plusea/albums/72157710505658161
-* Tutorial for sewable RGB LEDs (LilyPad Pixel Board): [Sewable RGB LEDs Tutorial](/en/tutorials/sweable_leds)
+* Tutorial for sewable RGB LEDs (LilyPad Pixel Board): [Sewable RGB LEDs Tutorial](/en/tutorials/sewable_leds)
 
 ## ECG