Fixed typo.

roles/kill_memory_hogs/files/kill_hoggs.py

@@ -85,7 +85,7 @@ def kill_hogs(memory_threshold,
     time.sleep(interval)
     for proc in procs:
         try:
-            # First call t0 cpu_percent() without blocking interval is meaningless.
+            # First call of cpu_percent() without blocking interval is meaningless.
             # see https://psutil.readthedocs.io/en/latest/
             proc.cached_cpu_percent = proc.cpu_percent()
             proc.cached_memory_percent = proc.memory_percent()