diff --git a/exercises/exerciseA/plot.py b/exercises/exerciseA/plot.py
index b9a58b6..30cfd40 100644
--- a/exercises/exerciseA/plot.py
+++ b/exercises/exerciseA/plot.py
@@ -11,6 +11,7 @@ for file in os.listdir('timings'):
         timings.append(float(t))
 threads = np.array(threads)
 timings = np.array(timings)
+timings /= timings[np.where(threads == 1)[0][0]]
 
 print('This is the data I loaded: threads =', threads, ', timings =',timings)
 
@@ -21,7 +22,7 @@ fig, axs = plt.subplots()
 # Feel free to make it pretty
 axs.plot(threads, timings, '*')
 axs.set_xlabel('number of threads')
-axs.set_ylabel('processing time')
+axs.set_ylabel('relative processing time to single threading')
 
 
-plt.savefig('threads_v_timings.png', dpi=300)
+plt.savefig('threads_v_relative_timings.png', dpi=300)