diff --git a/.Rhistory b/.Rhistory
new file mode 100644
index 0000000..e69de29
diff --git a/.gitignore b/.gitignore
index 82f9275..917050f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -160,3 +160,4 @@ cython_debug/
 #  and can be added to the global gitignore or merged into this file.  For a more nuclear
 #  option (not recommended) you can uncomment the following to ignore the entire idea folder.
 #.idea/
+.Rproj.user
diff --git a/README.md b/README.md
index a0ae30f..9c07571 100644
--- a/README.md
+++ b/README.md
@@ -43,7 +43,7 @@ Of note, the optimization step calls `PORSS.py`, which contains the core functio
 
 In the current architecture, output data from running this process will be sent to `./demo/output_data/`. Users may easily update these paths if desired. 
 
-## (Evolving) Package Structure
+## (Evolving) Package Structure!
 
 *Note*: structuring according to requirements for submission to pypi, as well as in line with package best practices.