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--- a/5-concept.tex
+++ b/5-concept.tex
@@ -45,7 +45,7 @@ Microcontroller boards based on the \textit{ESP8266} MCU are mostly following th
 The memory mapping mechanism of the MCU allows only a single page of 1 MB of flash to be mapped at the same time \cite{ESP8266_Memory_Map} and the selected range must be aligned to 1 MB blocks.
 
 \begin{figure}[htbp]
-\centering\includegraphics[scale=0.6]{flash_layout.pdf}
+\centering\includegraphics[width=.98\linewidth]{flash_layout.pdf}
 \caption{The flash layout used for two ROMs.}
 \label{fig:memory_layout}
 \end{figure}
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