runplus: Fix typos in README.md

Signed-off-by: Steffen Pankratz <kratz00@gmx.de>

Author: kratz00

apps/runplus/README.md

@@ -1,7 +1,7 @@
 # Run App
 
 Displays distance, time, steps, cadence, pace and heart rate for runners. Based on the Run app, but extended with additional screen for heart rate based training, based on the Karvonnen calculation method.
-It requires the input of your minimum and maximum heart rate in the settings for the app to work. You can come back back to the initial run screen anytime by swimping left.
+It requires the input of your minimum and maximum heart rate in the settings for the app to work. You can come back to the initial run screen anytime by swiping left.
 To use it, start the app and press the middle button so that the red STOP in the bottom right turns to a green `RUN`.
 
 To focus on a single stat, tap on the stat and it will take up the full screen. Tap again to return to the main screen.