Minor edits to L18 on MIS Continued

Lectures/L18_MISContinued/MISContinued.tex

@@ -118,9 +118,9 @@ Final Documentation & Week 13 & Dec 6\\
 \begin{itemize}
 \item For each module
 \bi
-\item Module or Template Module or Generic Template Module
+\item Module or Template Module or Generic Template Module or Inheritance
 \item Syntax, especially access programs
-\item State variables
+\item State variables, environment variables
 \ei
 \item Do not need a formal spec for everything
 \item Goal is communication with a developer or maintainer