Re-add David's description of the chapter

and slightly customize it

ch1.tex

@@ -1,10 +1,16 @@
-\chapter{Important first chapter}\label{chap:refs}
+\chapter{Important first chapter\todo{Replace this placeholder title with a descriptive name that reflects the specific content and purpose of your chapter}}\label{chap:refs}
 
 The first chapter of a thesis builds the theoretical backgrounds necessary for readers to understand the rest of the thesis.
 In this chapter, you should summarize and reference a lot of existing literature and research.
 
+Striking the right balance in your literature review is crucial.
+While you need to thoroughly cover the relevant research in your area,
+you must also be selective in what you present to avoid boring the reader to death.
+As a rule of thumb, regard the reader as well-versed computer scientist who may not be specialized in your specific research area.
+This means you can assume familiarity with fundamental concepts covered in compulsory lectures, while dedicating more attention to field-specific concepts
+and specialized techniques that form the foundation of your research.
 
-You should use the standard \emph{citations}\todo{Use \textbackslash{}emph command like this, to highlight the first occurrence of an important word or term. Reader will notice it, and hopefully remember the importance.}.
+In order to reference existing research, you should use the standard \emph{citations}\todo{Use \textbackslash{}emph command like this, to highlight the first occurrence of an important word or term. Reader will notice it, and hopefully remember the importance.}.