diff --git a/semester3/analysis-ii/analysis-ii-cheat-sheet.pdf b/semester3/analysis-ii/analysis-ii-cheat-sheet.pdf
index aa5bc5e..78c5ba2 100644
Binary files a/semester3/analysis-ii/analysis-ii-cheat-sheet.pdf and b/semester3/analysis-ii/analysis-ii-cheat-sheet.pdf differ
diff --git a/semester3/analysis-ii/analysis-ii-cheat-sheet.tex b/semester3/analysis-ii/analysis-ii-cheat-sheet.tex
index 8366731..5cfb9cf 100644
--- a/semester3/analysis-ii/analysis-ii-cheat-sheet.tex
+++ b/semester3/analysis-ii/analysis-ii-cheat-sheet.tex
@@ -27,7 +27,7 @@
 \vspace{4cm}
 \begin{center}
     \begin{Large}
-        ``\textit{Multiply it by $ai$}''
+        \quote{Multiply it by $ai$}
     \end{Large}
 
     \hspace{3cm} - Özlem Imamoglu, 2025
diff --git a/semester3/analysis-ii/parts/vectors/differentiation/00_intro.tex b/semester3/analysis-ii/parts/vectors/differentiation/00_intro.tex
index e69de29..35b00cd 100644
--- a/semester3/analysis-ii/parts/vectors/differentiation/00_intro.tex
+++ b/semester3/analysis-ii/parts/vectors/differentiation/00_intro.tex
@@ -0,0 +1,3 @@
+\stepcounter{subsection}
+\subsection{Continuity}
+\compactdef{Convergence in $\R^n$}