Docs: Improve Errata.

Docs/Differences/Differences.tex

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Docs/Errata/Errata.tex

@@ -200,7 +200,7 @@ can be found at \href{https://github.com/acidanthera/bugtracker}{Acidanthera Bug
     \item For \textbf{preinstalled} versions of macOS 11 add NVRAM variable \\
     \texttt{7C436110-AB2A-4BBB-A880-FE41995C9F82:booter-fileset-kernel}
     with \texttt{00} value; for some EfiBoot variants it may also be
-    required to set \texttt{booter-fileset-basesystem} variable.
+    required to set \texttt{booter-fileset-basesystem} variable with \texttt{00} value.
   \end{itemize}