Update README.rst
Hopefully added refs to IoHeat example.
@@ -31,4 +31,4 @@ Expected output
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-Contour plot of surface tidal heat flux of Io as a function of its eccentricity and obliquity. Contour units are W/m^2, the vertical line corresponds to Io's observed eccentricity, and the horizontal line is the expected obliquity if Io is in a Cassini state :cite 'BillsRay00'. The orange shaded region corresponds to the observed value of 2-3 W/m^2 :cite 'Veeder14'.
+Contour plot of surface tidal heat flux of Io as a function of its eccentricity and obliquity. Contour units are W/m^2, the vertical line corresponds to Io's observed eccentricity, and the horizontal line is the expected obliquity if Io is in a Cassini state :cite:'BillsRay00'. The orange shaded region corresponds to the observed value of 2-3 W/m^2 :cite:'Veeder14'.
