diff --git a/R/sample_diagnostics.R b/R/sample_diagnostics.R
index 198929b..1eb981d 100644
--- a/R/sample_diagnostics.R
+++ b/R/sample_diagnostics.R
@@ -167,7 +167,8 @@ plot.ru <- function(x, y, ..., n = ifelse(x$d == 1, 1001, 101),
       for (i in 1:(ncol(x)-1)) {
         for (j in (i+1):ncol(x)) {
           graphics::plot(x[, i], x[, j], xlab = "", ylab = "", ...)
-          title(xlab = parse(text = xlabs[i]), ylab = parse(text = ylabs[j]))
+          graphics::title(xlab = parse(text = xlabs[i]),
+                          ylab = parse(text = ylabs[j]))
         }
       }
     }
diff --git a/cran-comments.md b/cran-comments.md
index 5a41f0f..0f7187d 100644
--- a/cran-comments.md
+++ b/cran-comments.md
@@ -1,16 +1,8 @@
-## Resubmission
-This is a resubmission.  In this version I have 
-
-* Added devtools to `Suggests:' in DESCRIPTION to avoid the following NOTE: 
-
-   * checking for unstated dependencies in vignettes ... NOTE
-    '::' or ':::' import not declared from: ‘devtools’
-    
-* Added the DOI number to the reference in the DESCRIPTION file.
-
 ## R CMD check results
-There were no ERRORs, WARNINGs or NOTEs. 
+
+0 errors | 0 warnings | 0 notes
 
 ## Downstream dependencies
 
-This is a new submission.
+I have also run R CMD on downstream dependencies of rust.
+All packages passed: No ERRORs or WARNINGs found.
diff --git a/man/summary.ru.Rd b/man/summary.ru.Rd
index ad674db..721a723 100644
--- a/man/summary.ru.Rd
+++ b/man/summary.ru.Rd
@@ -4,10 +4,10 @@
 \alias{summary.ru}
 \title{Summarizing ratio-of-uniforms samples}
 \usage{
-\method{summary}{ru}(x, ...)
+\method{summary}{ru}(object, ...)
 }
 \arguments{
-\item{x}{an object of class "ru", a result of a call to \code{ru}.}
+\item{object}{an object of class "ru", a result of a call to \code{ru}.}
 
 \item{...}{Additional arguments passed on to \code{print} or \code{summary}.}
 }
@@ -15,11 +15,11 @@
 Prints
 \itemize{
   \item {a summary of the simulated values, via
-    \code{summary(x$sim_vals)}}
+    \code{summary(object$sim_vals)}}
   \item {an estimate of the probability of acceptance, i.e.
-    \code{x$pa}}
+    \code{object$pa}}
   \item {information about the ratio-of-uniforms bounding box, i.e.
-    \code{x$box}}
+    \code{object$box}}
 }
 }
 \description{