more typos

Author: aghaynes

README.Rmd

@@ -73,7 +73,7 @@ Specificity<sup>1</sup> | `prec_spec` | As per `prec_prop`
 Area under the curve | `prec_auc` | @hm1982
 Negative likelihood ratio<sup>2</sup> | `prec_neg_lr` | @simel1991
 Positive likelihood ratio<sup>2</sup> | `prec_pos_lr` | @simel1991
-Generic likelilood ratio | `preg_lr` | @simel1991
+Generic likelihood ratio | `prec_lr` | @simel1991
 
 <sup>1</sup> Simple wrappers for `prec_prop`.