fix comment

src/fsfw/osal/freertos/Clock.cpp

@@ -48,8 +48,7 @@ ReturnValue_t Clock::getClock(timeval* time) {
 }
 
 ReturnValue_t Clock::getClockMonotonic(timeval* time) {
-  // Ticks since scheduler start, with no epoch offset on top. Same contract as the Linux and
-  // host implementations, which return CLOCK_MONOTONIC_RAW: only differences are meaningful.
+  // Retrieves the FreeRTOS tick count, which is hopefully monotonic
   *time = getUptime();
   return returnvalue::OK;
 }