diff --git a/R/utils.R b/R/utils.R
index 34b92ab8..1b730f64 100644
--- a/R/utils.R
+++ b/R/utils.R
@@ -1165,7 +1165,13 @@ outside_version_range <- function(provided, range) {
   outside_range
 }
 
-pretty_dim <- function(x) paste0(dim(x), collapse = "x")
+pretty_dim <- function(x){
+  x_dim <- dim(x)
+  print_dim_x <- x_dim %||% x
+
+  prettied_dim <- paste0(print_dim_x, collapse = "x")
+  prettied_dim
+}
 
 are_initials <- function(x){
   vapply(
diff --git a/vignettes/installation.Rmd b/vignettes/installation.Rmd
index 67ed4d5f..b3c4f233 100644
--- a/vignettes/installation.Rmd
+++ b/vignettes/installation.Rmd
@@ -2,7 +2,7 @@
 title: "Installing Dependencies"
 output: rmarkdown::html_vignette
 vignette: >
-  %\VignetteIndexEntry{installation}
+  %\VignetteIndexEntry{Installing Dependencies}
   %\VignetteEngine{knitr::rmarkdown}
   %\VignetteEncoding{UTF-8}
 ---