Fix offwaketime documentation typo

tools/offwaketime_example.txt

@@ -4,7 +4,7 @@ Demonstrations of offwaketime, the Linux eBPF/bcc version.
 This program shows kernel stack traces and task names that were blocked and
 "off-CPU", along with the stack traces and task names for the threads that woke
 them, and the total elapsed time from when they blocked to when they were woken
-up. This combines the summaries from both the offcputime and wakeuptime tools.
+up. This combines the summaries from both the offwaketime and wakeuptime tools.
 The time measurement will be very similar to off-CPU time, however, off-CPU time
 may include a little extra time spent waiting on a run queue to be scheduled.
 The combined stacks, task names, and total time is summarized in kernel context
@@ -343,13 +343,13 @@ optional arguments:
 
 examples:
  ./offwaketime # trace off-CPU + waker stack time until Ctrl-C
- ./offcputime 5 # trace for 5 seconds only
- ./offcputime -f 5 # 5 seconds, and output in folded format
- ./offcputime -m 1000 # trace only events that last more than 1000 usec
- ./offcputime -M 10000 # trace only events that last less than 10000 usec
- ./offcputime -p 185 # only trace threads for PID 185
- ./offcputime -t 188 # only trace thread 188
- ./offcputime -u # only trace user threads (no kernel)
- ./offcputime -k # only trace kernel threads (no user)
- ./offcputime -U # only show user space stacks (no kernel)
- ./offcputime -K # only show kernel space stacks (no user)
+ ./offwaketime 5 # trace for 5 seconds only
+ ./offwaketime -f 5 # 5 seconds, and output in folded format
+ ./offwaketime -m 1000 # trace only events that last more than 1000 usec
+ ./offwaketime -M 10000 # trace only events that last less than 10000 usec
+ ./offwaketime -p 185 # only trace threads for PID 185
+ ./offwaketime -t 188 # only trace thread 188
+ ./offwaketime -u # only trace user threads (no kernel)
+ ./offwaketime -k # only trace kernel threads (no user)
+ ./offwaketime -U # only show user space stacks (no kernel)
+ ./offwaketime -K # only show kernel space stacks (no user)