diff --git a/README.md b/README.md
index 9876c63..e67dd2b 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,12 @@
 # physicsNotes
-O Level physics notes
+O Level Physics Notes
 
-Some code (especially the `tcolorboxes`) taken from [4yn's a-lv-notes repository](https://github.com/4yn/a-lv-notes).
+These notes are for the 'O'-Level Physics syllabus [6091]. They might be similar in content to other physics courses too, though structured differently.
+
+These notes are written by myself, which means they are prone to typos and errors. If you find errata, do contact me so I can remedy. or give you access to the Github repository for you to push any changes.
+
+The `tcolorboxes` are copied from [4yn's a-lv-notes repository](https://github.com/4yn/a-lv-notes).
+
+Do whatever you want with these notes. Reproduce them, distribute them, use material from them, go crazy. I don't mind. Unless you republish it without any changes under your own name, we won't have a problem.
+
+Use these notes with caution.
\ No newline at end of file
diff --git a/main.pdf b/main.pdf
index 77a591c..0f2911f 100644
Binary files a/main.pdf and b/main.pdf differ
diff --git a/main.tex b/main.tex
index a50bfcf..f2284d5 100644
--- a/main.tex
+++ b/main.tex
@@ -94,9 +94,9 @@
 \begin{abstract}
 	These notes are for the `O'-Level Physics syllabus [6091]. They might be similar in content to other physics courses too, though structured differently.
 	
-	These notes are written by myself, which means they are prone to typos and errors. If you find errata, do contact me so I can remedy. or give you access to the Github repository for you to push any changes.
+	These notes are written by myself, which means they are prone to typos and errors. If you find errata, do contact me so I can remedy. or give you access to the GitHub repository for you to push any changes.
 	
-	Some code (especially the \texttt{tcolorboxes}) are copied fron \href{https://github.com/4yn/a-lv-notes}{\color{blue} \underline{4yn's a-lv-notes repository\footnote{https://github.com/4yn/a-lv-notes}}}.
+	Some code (especially the \texttt{tcolorboxes}) are copied from \href{https://github.com/4yn/a-lv-notes}{\color{blue} \underline{4yn's a-lv-notes repository\footnote{https://github.com/4yn/a-lv-notes}}}.
 	
 	Do whatever you want with these notes. Reproduce them, distribute them, use material from them, go crazy. I don't mind. Unless you republish it without any changes under your own name, we won't have a problem.