Correct README.md

README.md

@@ -5,10 +5,9 @@ Rainflow is a Python implementation of the rainflow cycle counting algorythm
 for fatigue analysis according to ASTM E1049-85. No dependencies beside Python's
 standard library. Supports both Python 2 and 3.
 
-Basic usage
------------
-Let's generate a sample time series of some load (here we create a numpy array
-but any iterable of numbers would work):
+Usage
+-----
+Let's generate a sample time series of some load. Here we create a numpy array but any iterable of numbers would work:
 ```python
 >>> import numpy as np
 >>> x = np.linspace(0, 4, 200)
@@ -19,15 +18,15 @@ Function `count_cycles` returns a sorted list of the load ranges and the corresp
 number of cycles:
 ```python
 >>> import rainflow
->>> cycles = rainflow.extract_cycles(y)
+>>> rainflow.count_cycles(y)
     [(0.11022406179686783, 1.0), (0.11316419853821802, 0.5), (0.20607635324664902, 1.0),
      (0.2148070281383265, 0.5), (0.36749670533564682, 0.5), (0.4389628182518176, 0.5),
      (0.48294318988133728, 0.5), (0.52799626197601901, 0.5), (0.78150280937784777, 0.5),
      (1.102640610792428, 0.5)]
 ```
 Not interested in all the decimals? Use *ndigits*:
 ```python
->>> cycles = rainflow.extract_cycles(y, ndigits=2)
+>>> rainflow.count_cycles(y, ndigits=2)
     [(0.11, 1.5), (0.21, 1.5), (0.37, 0.5), (0.44, 0.5), (0.48, 0.5), (0.53, 0.5),
      (0.78, 0.5), (1.1, 0.5)]
 ```