diff --git a/syllabus/syllabus2016icpsr.tex b/syllabus/syllabus2016icpsr.tex
index 3de40ab..12ae836 100644
--- a/syllabus/syllabus2016icpsr.tex
+++ b/syllabus/syllabus2016icpsr.tex
@@ -157,7 +157,12 @@ \subsection{Textbook(s)}
 
 \bibverse{fox2011r}
 
-R software will be required for several specific segments of the course.  With some independent effort, students not familiar with R in advance should be able to learn enough R during the course to complete these assignments.
+R software will be required for several specific segments of the course.  With
+some independent effort, students not familiar with R in advance should be
+able to learn enough R during the course to complete these assignments. We
+also recommend some work with R --- for example, via working through some
+online R courses --- before the course for students who have never
+used it before.
 
  \subsection{Free accounts you should sign up for}
 
@@ -208,7 +213,7 @@ \subsection{Assignments}
 
 You're welcome to submit a paper at the end of the course, whether or not you're taking the course for credit.  In that case we'll return it with comments within a month or so of the course's completion.  (If you're taking the course for a grade, the paper won't contribute to the grade unless you're on  the borderline between two grades.) 
 
-Participation is expected.  It can takevarious forms:
+Participation is expected.  It can take various forms:
 \begin{enumerate}
 \item Do in-class exercises and discuss them with your peers;
 \item Occasionally make a comments, raise a question or offer a clarification
@@ -217,7 +222,7 @@ \subsection{Assignments}
 \item \label{it:part0} Use a github pull request to suggest a clarification or other enhancement to
   a course slide or worksheet.
 \item \label{it:part1} Drop by one of the professor's office hours to share a point
-  that you\textit{and at least one classmate} would like to have clarified or
+  that you \textit{and at least one classmate} would like to have clarified or
   amplified, or to point out a connection to your field; 
 \item \label{it:part2} Give a 5-10 minute in-class presentation of a paper in your
   field that uses methods or designs we're discussing in the course.
@@ -414,7 +419,9 @@ \subsubsection{Interference}
 %\section{Additional Notes}
 \clearpage  
 \bibliographystyle{plain}
-\nobibliography{../2013/BIB/master,../2013/BIB/abbrev_long,../2013/BIB/causalinference,../2013/BIB/biomedicalapplications,../2013/BIB/misc}
+\nobibliography{ci}
+%\nobibliography{master,abbrev_long,causalinference,biomedicalapplications,misc}
+%\nobibliography{../2013/BIB/master,../2013/BIB/abbrev_long,../2013/BIB/causalinference,../2013/BIB/biomedicalapplications,../2013/BIB/misc}
 %"master" is Ryan Moore's file (as of summer 2012).
 %"causalinference" is Ben's, and lives (as of summer 2013) in
 % http://dept.stat.lsa.umich.edu/~bbh/texmf/bibtex/bib/