Mention setting width for proper rendering to PDF

vignettes/geneviewer.Rmd

@@ -1397,7 +1397,7 @@ GC_chart(ophA_cluster, group = "class", height = "150px") %>%
 
 You can save plots directly in the browser as PNG images using the save button that appears when hovering over the graph. This option can be disabled by setting the `save_button` parameter to `FALSE` in the `GC_chart` function.
 
-To save plots in different formats, you can use the `webshot2` package as illustrated below:
+To save plots in different formats, you can use the `webshot2` package as illustrated below. If your plots contain complex elements like gene links, it is recommended to specify the width and height dimensions explicitly to ensure proper rendering.
 
 ```{r echo=TRUE, eval=FALSE, warning=FALSE}
 library(webshot2)
@@ -1407,7 +1407,7 @@ cluster_plot <-
   GC_chart(ophA_clusters, 
            group = "class", 
            cluster = "cluster",
-           width = "400px",
+           width = "400px", # Essential to prevent misalignment of gene links
            height = "250px")
 
 # Save plot to temp.html file