reworked comment for complexity report
diff --git a/include/benchmark/reporter.h b/include/benchmark/reporter.h
index d6b713a..3bf45d8 100644
--- a/include/benchmark/reporter.h
+++ b/include/benchmark/reporter.h
@@ -93,8 +93,8 @@
   // benchmark, thus have the same name.
   virtual void ReportRuns(const std::vector<Run>& report) = 0;
   
-  // Called once at the last instance of a benchmark range, gives information about
-  // asymptotic complexity and RMS. 
+  // Called once at the last benchmark in a family of benchmarks, gives information
+  // about asymptotic complexity and RMS. 
   // Note that all the benchmark runs in a range should refer to the same benchmark, 
   // thus have the same name.
   virtual void ReportComplexity(const std::vector<Run>& complexity_reports) = 0;