diff --git a/lib/doc/LaTeXConfig.lyx b/lib/doc/LaTeXConfig.lyx
index 390d407de2..20cc95008a 100644
--- a/lib/doc/LaTeXConfig.lyx
+++ b/lib/doc/LaTeXConfig.lyx
@@ -3668,6 +3668,34 @@ booktabs
  is needed by LyX to be able to output correctly formal tables.
 \end_layout
 
+\begin_layout Subsection
+calc
+\end_layout
+
+\begin_layout Description
+Found: 
+\begin_inset Info
+type  "package"
+arg   "calc"
+\end_inset
+
+
+\end_layout
+
+\begin_layout Description
+CTAN: 
+\family typewriter
+macros/latex/required/tools/
+\end_layout
+
+\begin_layout Description
+Notes: The package 
+\family sans
+calc
+\family default
+ is needed by LyX to process lengths and counters.
+\end_layout
+
 \begin_layout Subsection
 color
 \end_layout
@@ -3776,6 +3804,35 @@ ghostscript
  to see them on screen.
 \end_layout
 
+\begin_layout Subsection
+hhline
+\end_layout
+
+\begin_layout Description
+Found: 
+\begin_inset Info
+type  "package"
+arg   "hhline"
+\end_inset
+
+
+\end_layout
+
+\begin_layout Description
+CTAN: 
+\family typewriter
+macros/latex/required/tools/
+\end_layout
+
+\begin_layout Description
+Notes: The package 
+\family sans
+hhline
+\family default
+ improves horizontal lines in tables and arrays.
+ This is necessary for the spreadsheet external inset.
+\end_layout
+
 \begin_layout Subsection
 hyperref
 \end_layout
@@ -4988,6 +5045,35 @@ mhchem
  math.
 \end_layout
 
+\begin_layout Subsection
+multirow
+\end_layout
+
+\begin_layout Description
+Found: 
+\begin_inset Info
+type  "package"
+arg   "multirow"
+\end_inset
+
+
+\end_layout
+
+\begin_layout Description
+CTAN: 
+\family typewriter
+macros/latex/contrib/multirow/
+\end_layout
+
+\begin_layout Description
+Notes: The package 
+\family sans
+multirow
+\family default
+ is needed by LyX to merge table cells over several rows, as well as supporting
+ the spreadsheet external inset.
+\end_layout
+
 \begin_layout Subsection
 natbib
 \end_layout