diff --git a/.Rbuildignore b/.Rbuildignore
index 49036fa4013d7cdbc0dc2331414d78c21cb6c8a8..27053a840052bd90f346121dcaa8e5ec3dda00af 100644
--- a/.Rbuildignore
+++ b/.Rbuildignore
@@ -3,3 +3,6 @@
 ValuationTables.RData
 data.saved
 data-raw
+^\.~.*#$
+PossibleTables.txt
+
diff --git a/ValuationTables.Rproj b/ValuationTables.Rproj
index ee5cfd900748ac9cdc3bcc08b5d9bc2b27f9181d..78ea01e4cf764e9f915293b202eeec92894b0126 100644
--- a/ValuationTables.Rproj
+++ b/ValuationTables.Rproj
@@ -18,4 +18,4 @@ StripTrailingWhitespace: Yes
 BuildType: Package
 PackageUseDevtools: Yes
 PackageInstallArgs: --no-multiarch
-PackageRoxygenize: rd,collate,namespace
+PackageRoxygenize: rd,collate,namespace,vignette
diff --git a/man/valuationTable.period-class.Rd b/man/valuationTable.period-class.Rd
index 5163817ef7826d4a4f8a2e5d006ad11b46d4dbba..8e26b38a4e9f6ae6cdbad7352856ac655886b59c 100644
--- a/man/valuationTable.period-class.Rd
+++ b/man/valuationTable.period-class.Rd
@@ -7,7 +7,8 @@
 \title{Class valuationTable.period - Period life tables}
 \description{
 A period life table, giving death probabilities for each age, up to
-maximum age omega. Optionally apply selection factors to the probabilities
+maximum age \code{omega}. The \code{baseYear} slot can be used to hold
+information about the period.
 }
 \section{Slots}{