diff --git a/README.md b/README.md
index 9df20fa5079069968bf70aec8e33b8fad8a506f8..aec0e1ca26b3a8e00ce5c9bf4baf6f471d975d92 100644
--- a/README.md
+++ b/README.md
@@ -556,7 +556,7 @@ print("chi^2 from scipy:")
 
 # Call chisquare and print.
 chi2, p = scipy.stats.chisquare(count, fit_count, ddof=dof)
-print("  chi2 / ndf = %g / %d" % (chi2, len(count) - dof))
+print("  chi2 / dof = %g / %d" % (chi2, len(count) - dof))
 print("  p-value = %g" % p)
 
 print()  # print blank line
@@ -569,7 +569,7 @@ chi2 = ((count - fit_count)**2 / uncertainty**2).sum()
 
 # Calculate p-value and print
 p = scipy.stats.distributions.chi2.sf(chi2, len(count) - 1 - dof)
-print("  chi2 / ndf = %g / %d" % (chi2, len(count) - dof))
+print("  chi2 / dof = %g / %d" % (chi2, len(count) - dof))
 print("  p-value = %g" % p)
 
 ```
@@ -586,11 +586,11 @@ Optimal parameters:
   b = 0.841156 +- 0.0193703
 
 chi^2 from scipy:
-  chi2 / ndf = 120.577 / 122
+  chi2 / dof = 120.577 / 123
   p-value = 0.519418
 
 Manual chi^2 test:
-  chi2 / ndf = 120.577 / 122
+  chi2 / dof = 120.577 / 123
   p-value = 0.519418
 ```