Implementation of the virtual machine

src/chapters/dram.tex

@@ -93,7 +93,7 @@ One of these is device-based \ac{dram}, where the memory devices are directly so
 Another type is 2.5D-integrated \ac{dram}, where multiple memory dies are stacked on top of each other and connected to the \ac{mpsoc} by a silicon interposer \cite{jung2017a}.
 Such a 2.5D-integrated type used in \acp{gpu} and \acp{tpu} is \ac{hbm}, which will be introduced in greater detail in the following section.
 
-\subsection{\Acf{hbm}}
+\subsection{\Acl{hbm}}
 \label{sec:hbm}
 
 \Aca{hbm} is a \ac{dram} standard that has been defined by \ac{jedec} in 2016 as a successor of the previous \ac{hbm} standard \cite{jedec2015a}.