docs: fix simple typo, precison -> precision
There is a small typo in pyro/ops/gamma_gaussian.py.
Should read `precision` rather than `precison`.
@@ -313,7 +313,7 @@ def gamma_and_mvn_to_gamma_gaussian(gamma, mvn):
p(x | s) ~ Gaussian(s * info_vec, s * precision)
p(s) ~ Gamma(alpha, beta)
- p(x, s) ~ GammaGaussian(info_vec, precison, alpha, beta)
+ p(x, s) ~ GammaGaussian(info_vec, precision, alpha, beta)
:param ~pyro.distributions.Gamma gamma: the mixing distribution
:param ~pyro.distributions.MultivariateNormal mvn: the conditional distribution
