clarify se=TRUE (PR#18859)

git-svn-id: https://svn.r-project.org/R/trunk@89351 00db46b3-68df-0310-9c12-caf00c1e9a41

Author: smeyer

src/library/stats/man/termplot.Rd

@@ -1,14 +1,15 @@
 % File src/library/stats/man/termplot.Rd
 % Part of the R package, https://www.R-project.org
-% Copyright 1995-2021 R Core Team
+% Copyright 1995-2026 R Core Team
 % Distributed under GPL 2 or later
 
 \name{termplot}
 \alias{termplot}
 \title{Plot Regression Terms}
 \description{
   Plots regression terms against their predictors, optionally with
-  standard errors and partial residuals added.
+  approximate 95\% confidence intervals (\enc{±2}{+/- 2}
+  standard errors) and partial residuals added.
 }
 \usage{
 termplot(model, data = NULL, envir = environment(formula(model)),
@@ -33,7 +34,7 @@ termplot(model, data = NULL, envir = environment(formula(model)),
   \item{terms}{which terms to plot (default \code{NULL} means all
     terms); a vector passed to
     \code{\link{predict}(.., type = "terms", terms = *)}.}
-  \item{se}{plot pointwise standard errors?}
+  \item{se}{logical; plot pointwise \eqn{2\times}{2x} standard errors?}
   \item{xlabs}{vector of labels for the x axes}
   \item{ylabs}{vector of labels for the y axes}
   \item{main}{logical, or vector of main titles;  if \code{TRUE}, the