diff --git a/.gitignore b/.gitignore
index 1a41d61ea1dd198d582e6968241cc687d9f8dea1..604ffdad27795a6854c0345162727d66c3059aab 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,3 +12,4 @@
 *.bcf
 *.fls
 *.run.xml
+*.synctex(busy)
diff --git a/TopDog.pdf b/TopDog.pdf
index a99f7563924428dc8329bac4e4fda8357fe7fbe0..936bfe6d54752b0359f3d4226c7d44695343530a 100644
Binary files a/TopDog.pdf and b/TopDog.pdf differ
diff --git a/TopDog.tex b/TopDog.tex
index 6a35b0a937603a8fa6c0d3f156fbe7acb36b6f86..7c17ff472130ad3e8eb24ed277513ca46d4c0970 100644
--- a/TopDog.tex
+++ b/TopDog.tex
@@ -105,10 +105,10 @@ guest lecture, there will be a small ceremony for the winners.
 
 \section{Disciplinary Stuff}
 Each individual student is expected to perform the lab in order to pass.
-However,  you are allowed (and encouraged!) to cooperate is allowed and
-encouraged. You are expected to understand and follow the university-wide rules
-for disciplinary matters, as for any other examination you are not allowed to
-cheat.
+However, you are allowed (and encouraged!) to cooperate to a reasonable degree.
+In addition, you are expected to understand and follow the university-wide rules
+for disciplinary matters, and like any other examination you are not allowed to
+cheat or disrupt examinations.
 
 \section{Ethics}
 This lab and what you learn is for educational purposes only. Do not attempt to