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-rw-r--r--numpy/fft/info.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/numpy/fft/info.py b/numpy/fft/info.py
index 1289f3b4c..9fb98eda6 100644
--- a/numpy/fft/info.py
+++ b/numpy/fft/info.py
@@ -113,7 +113,7 @@ The inverse DFT is defined as
.. math::
a_m = \\frac{1}{n}\\sum_{k=0}^{n-1}A_k\\exp\\left\\{2\\pi i{mk\\over n}\\right\\}
- \\qquad n = 0,\\ldots,n-1.
+ \\qquad m = 0,\\ldots,n-1.
It differs from the forward transform by the sign of the exponential
argument and the normalization by :math:`1/n`.