docs: fix bare infinitive 'allows to' in rleid.Rd and data.table.Rd

man/data.table.Rd

@@ -81,7 +81,7 @@ data.table(\dots, keep.rownames=FALSE, check.names=FALSE, key=NULL, stringsAsFac
         \emph{Advanced:} When \code{i} is a single variable name, it is not considered an expression of column names and is instead evaluated in calling scope.
     }
 
-    \item{j}{When \code{with=TRUE} (default), \code{j} is evaluated within the frame of the data.table; i.e., it sees column names as if they are variables. This allows to not just \emph{select} columns in \code{j}, but also \code{compute} on them e.g., \code{x[, a]} and \code{x[, sum(a)]} returns \code{x$a} and \code{sum(x$a)} as a vector respectively. \code{x[, .(a, b)]} and \code{x[, .(sa=sum(a), sb=sum(b))]} returns a two column data.table each, the first simply \emph{selecting} columns \code{a, b} and the second \emph{computing} their sums.
+    \item{j}{When \code{with=TRUE} (default), \code{j} is evaluated within the frame of the data.table; i.e., it sees column names as if they are variables. This allows not just \emph{selecting} columns in \code{j}, but also \emph{computing} on them e.g., \code{x[, a]} and \code{x[, sum(a)]} returns \code{x$a} and \code{sum(x$a)} as a vector respectively. \code{x[, .(a, b)]} and \code{x[, .(sa=sum(a), sb=sum(b))]} returns a two column data.table each, the first simply \emph{selecting} columns \code{a, b} and the second \emph{computing} their sums.
 
     As long as \code{j} returns a \code{list}, each element of the list becomes a column in the resulting \code{data.table}. When the output of \code{j} is not a \code{list}, the output is returned as-is (e.g. \code{x[ , a]} returns the column vector \code{a}), unless \code{by} is used, in which case it is implicitly wrapped in \code{list} for convenience (e.g. \code{x[ , sum(a), by=b]} will create a column named \code{V1} with value \code{sum(a)} for each group).
 

man/rleid.Rd

@@ -16,7 +16,7 @@ rleidv(x, cols=seq_along(x), prefix=NULL)
   \item{prefix}{ Either \code{NULL} (default) or a character vector of length=1 which is prefixed to the row ids, returning a character vector (instead of an integer vector).}
 }
 \details{
-    At times aggregation (or grouping) operations need to be performed where consecutive runs of identical values should belong to the same group (See \code{\link[base]{rle}}). The use for such a function has come up repeatedly on StackOverflow, see the \code{See Also} section. This function allows to generate "run-length" groups directly.
+    At times aggregation (or grouping) operations need to be performed where consecutive runs of identical values should belong to the same group (See \code{\link[base]{rle}}). The use for such a function has come up repeatedly on StackOverflow, see the \code{See Also} section. This function allows generating "run-length" groups directly.
 
     \code{rleid} is designed for interactive use and accepts a sequence of vectors as arguments. For programming, \code{rleidv} might be more useful.
 }