Fix f-string prefix order: fr -> rf

Author: fonnesbeck

examples/generalized_linear_models/GLM-hierarchical-binomial-model.myst.md

@@ -159,7 +159,7 @@ ax.set_ylabel(r"$\log(\alpha+\beta)$", fontsize=16)
 ix_z, ix_x = np.unravel_index(np.argmax(surface, axis=None), surface.shape)
 ax.scatter([X[0, ix_x]], [Z[ix_z, 0]], color="red")
 
-text = fr"$({np.round(X[0, ix_x], 2)},{np.round(Z[ix_z, 0], 2)})$"
+text = rf"$({np.round(X[0, ix_x], 2)},{np.round(Z[ix_z, 0], 2)})$"
 
 ax.annotate(
     text,