/****************************************************************************
* lttv_traceset_context_compute_time_span
*
- * Keep the time span is sync with on the fly addition and removal of traces
+ * Keep the time span in sync with on the fly addition and removal of traces
* in a trace set. It must be called each time a trace is added/removed from
* the traceset. It could be more efficient to call it only once a bunch
* of traces are loaded, but the calculation is not long, so it's not