diff --git a/Doc/Design/MG/ModuleGuide.tex b/Doc/Design/MG/ModuleGuide.tex
index 964fc9bd4f5db32b3a8af01e0a8d519c2902f8dd..a4852acb95aebea07e14bf26540ed2d4426fbfce 100644
--- a/Doc/Design/MG/ModuleGuide.tex
+++ b/Doc/Design/MG/ModuleGuide.tex
@@ -205,7 +205,7 @@ The following definitions explain all important terms used to describe the syste
     \end{figure}
 \end{description}
 
-\subsection{Underlaying Architecture}
+\subsection{Underlaying Architecture} %% you mean "Underlying"
 
 Now that the general idea of the system has been explained, this section will take the level of abstraction one step further. This level of abstraction demonstrates the module decomposition of the system. Arrows in the diagram represent sub-modules that help reach the next module in the system. Note that this is not a uses diagram, nor is it intended to be.