--- a/cws/core_cw01.tex	Tue Nov 01 15:03:48 2022 +0000
+++ b/cws/core_cw01.tex	Wed Nov 02 13:22:59 2022 +0000
@@ -101,7 +101,7 @@
 problems.'' and also offered a \$500 cash prize for its solution.
 Jeffrey Lagarias, another mathematician, claimed that based only on
 known information about this problem, ``this is an extraordinarily
-difficult problem, completely out of reach of present day mathematics.''
+difficult problem, completely out of reach of present-day mathematics.''
 There is also a \href{https://xkcd.com/710/}{xkcd} cartoon about this
 conjecture\here{https://xkcd.com/710/}). If you are able to solve this
 conjecture, you will definitely get famous.}\bigskip
@@ -153,7 +153,7 @@
 \end{itemize}
 
 \noindent
-\textbf{Test Data:} Some test ranges and cases are:
+\textbf{Test Data:} Some test cases are:
 
 \begin{itemize}
 \item 1 to 10 where $9$ takes 19 steps