Fix typo in output of bin/diagnose

Author: WardBrian

src/cmdstan/diagnose.cpp

@@ -203,7 +203,7 @@ int main(int argc, const char *argv[]) {
 
     std::cout << "Such high values indicate incomplete mixing and biased"
               << " estimation." << std::endl
-              << "You should consider regularizating your model"
+              << "You should consider regularizing your model"
               << " with additional prior information or a more"
               << " effective parameterization." << std::endl
               << std::endl;

src/test/interface/example_output/div.nom

@@ -15,6 +15,6 @@ Rank-normalized split effective sample size satisfactory for all parameters.
 The following parameters had rank-normalized split R-hat greater than 1.01:
   x[1], x[2], x[3], x[4], x[5]
 Such high values indicate incomplete mixing and biased estimation.
-You should consider regularizating your model with additional prior information or a more effective parameterization.
+You should consider regularizing your model with additional prior information or a more effective parameterization.
 
 Processing complete.

src/test/interface/example_output/mix.nom

@@ -12,6 +12,6 @@ Rank-normalized split effective sample size satisfactory for all parameters.
 The following parameters had rank-normalized split R-hat greater than 1.01:
   mu[1], mu[2], sigma[1], theta
 Such high values indicate incomplete mixing and biased estimation.
-You should consider regularizating your model with additional prior information or a more effective parameterization.
+You should consider regularizing your model with additional prior information or a more effective parameterization.
 
 Processing complete.