diff --git a/semester3/spca/parts/00_asm/00_intro.tex b/semester3/spca/parts/00_asm/00_intro.tex
index af6d560..26951e5 100644
--- a/semester3/spca/parts/00_asm/00_intro.tex
+++ b/semester3/spca/parts/00_asm/00_intro.tex
@@ -4,6 +4,9 @@ Notable examples are \texttt{x86}, \texttt{RISC-V} (this one is open-source!), M
 
 \texttt{x86}-Assembly files usually use the file extension \texttt{.s} or \texttt{.asm}
 
+Most CPU architectures (including \texttt{x86}, most \texttt{ARM} and base \texttt{RISC-V} implementations) are little endian (also sometimes called right-to-left or right-aligned)
+and thus have the LSB on at the lowest address.
+
 \fancydef{Microarchitecture} The implementation of the ISA. It defines the actual hardware layout and how the individual instructions are actually implemented
 and thus also defines things such as core frequency, cache layout and more.
 
diff --git a/semester3/spca/spca-summary.pdf b/semester3/spca/spca-summary.pdf
index 2e1a437..8324be2 100644
Binary files a/semester3/spca/spca-summary.pdf and b/semester3/spca/spca-summary.pdf differ