Updated stats documentation
Specify Li&Ma equation we are using
@@ -65,6 +65,7 @@ Getting Started
Li \& Ma Significance
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+[LiMa1983]_ (see equation 17)
As an example, assume you measured :math:`n_{on} = 18` counts in a region where
you suspect a source might be present and :math:`n_{off} = 97` counts in a
