Fix typos: rangeY -> range_y()
diff --git a/README.md b/README.md
index b669e3a..00d801f 100644
--- a/README.md
+++ b/README.md
@@ -68,7 +68,7 @@
     state.PauseTiming();
     std::set<int> data = ConstructRandomSet(state.range_x());
     state.ResumeTiming();
-    for (int j = 0; j < state.rangeY; ++j)
+    for (int j = 0; j < state.range_y(); ++j)
       data.insert(RandomNumber());
   }
 }
diff --git a/include/benchmark/benchmark_api.h b/include/benchmark/benchmark_api.h
index 8e6a63a..a8d254c 100644
--- a/include/benchmark/benchmark_api.h
+++ b/include/benchmark/benchmark_api.h
@@ -61,7 +61,7 @@
     state.PauseTiming();
     set<int> data = ConstructRandomSet(state.range_x());
     state.ResumeTiming();
-    for (int j = 0; j < state.rangeY; ++j)
+    for (int j = 0; j < state.range_y(); ++j)
       data.insert(RandomNumber());
   }
 }