Minor edits to Description file

DESCRIPTION

@@ -1,6 +1,6 @@
 Package: arima2
 Title: Likelihood Based Inference for ARIMA Modeling
-Version: 3.0.0
+Version: 3.0.1
 Authors@R: 
     c(
     person("Jesse", 
@@ -26,14 +26,16 @@ Authors@R:
            role = "cph", 
            comment = "Author of arima source code in stats package."))
 Description: Estimating and analyzing auto regressive integrated moving average
-    (ARIMA) models. The primary function in this package is arima, which fits an 
-    ARIMA model to univariate time series data using a random restart algorithm. 
-    This approach frequently leads to models that have model likelihood greater 
-    or equal to that of the likelihood obtained by fitting the same model using 
-    the arima function from the 'stats' package. This package enables proper 
-    optimization of model likelihoods, which is a necessary condition for
-    performing likelihood ratio tests. This package relies heavily on the source 
-    code of the arima function of the 'stats' package. 
+    (ARIMA) models. The primary function in this package is arima(), which fits 
+    an ARIMA model to univariate time series data using a random restart
+    algorithm. This approach frequently leads to models that have model 
+    likelihood greater than or equal to that of the likelihood obtained by 
+    fitting the same model using the arima() function from the 'stats' package. 
+    This package enables proper optimization of model likelihoods, which is a 
+    necessary condition for performing likelihood ratio tests. This package 
+    relies heavily on the source code of the arima() function of the 'stats' 
+    package. For more information, please see Jesse Wheeler and Edward L. 
+    Ionides (2023) <arXiv:2310.01198>.
 License: GPL (>= 3)
 Encoding: UTF-8
 Roxygen: list(markdown = TRUE)

NEWS.md

@@ -1,3 +1,8 @@
+# arima2 3.0.1
+
+* Added arXiv paper to package description
+* Added parathesis to function names in package description. 
+
 # arima2 3.0.0
 
 * Added a `NEWS.md` file to track changes to the package.