fix vignettes example

Author: pachadotdev

dev/errors.R

@@ -1,4 +1,4 @@
-devtools::install()
+# devtools::install()
 
 library(tabulapdf)
 

vignettes/tabulapdf.Rmd

@@ -23,7 +23,7 @@ The `pages` argument allows you to select which pages to attempt to extract tabl
 It is possible to specify a remote file, which will be copied to R's temporary directory before processing:
 
 ```{r}
-f2 <- "https://github.com/leeper/tabulapdf/raw/master/inst/examples/data.pdf"
+f2 <- "https://github.com/ropensci/tabulapdf/raw/master/inst/examples/data.pdf"
 extract_tables(f2, pages = 2)
 ```