update library.properties

Author: feilipu

library.properties

@@ -2,7 +2,7 @@ name=FreeRTOS
 version=10.3.0-6
 author=Richard Barry <info@freertos.org>
 maintainer=Phillip Stevens <phillip.stevens@gmail.com>
-sentence=<h3>FreeRTOS Real Time Operating System implemented for AVR (Uno, Leonardo, Mega) </h3>
+sentence=FreeRTOS Real Time Operating System implemented for AVR (Uno, Leonardo, Mega).
 paragraph=The primary design goals are: Easy to use, Small footprint, Robust. Uses Watchdog Timer for 15ms resolution. Slow blink = stack overflow. Fast blink = heap malloc() failure.
 category=Timing
 url=https://github.com/feilipu/Arduino_FreeRTOS_Library