Merge pull request #11 from osorensen/patch-4

Update paper.md

paper/paper.md

@@ -38,7 +38,7 @@ the processing of Meta (also known as Facebook) Mobility data [@data4good].
 
 The goal of `quadkeyr` is to:
 
-1.  [**Convert a QuadKey to a Simple Features data.frame (and more)**](https://docs.ropensci.org/quadkeyr/articles/quadkey_to_sf_conversion.html) 
+1.  [**Convert a QuadKey to a Simple Features data.frame (and more):**](https://docs.ropensci.org/quadkeyr/articles/quadkey_to_sf_conversion.html) 
 `quadkeyr` provides functions to convert QuadKeys
 to an `sf` POINT data.frame or `sf` POLYGON data.frame [@sf] (\autoref{fig:fig1}).
 Additionally, it offers all the R functions 
@@ -47,21 +47,21 @@ for converting QuadKeys to and from tiles, pixels, and geographic coordinates.
 
 ![Convert a QuadKey to a Simple Features data.frame (and more) \label{fig:fig1}](../vignettes/workflow_quadkey.png){height="200pt"}
 
-2.  [**Generate Raster Images from Quadkey-Identified    Data**](https://docs.ropensci.org/quadkeyr/articles/quadkey_identified_data_to_raster.html) 
+2.  [**Generate Raster Images from Quadkey-Identified    Data:**](https://docs.ropensci.org/quadkeyr/articles/quadkey_identified_data_to_raster.html) 
 Complete a grid of QuadKeys within a specified area and zoom level, 
 and create a `stars` raster [@stars]. 
 You can also directly convert QuadKeys in a data.frame column 
 into an `sf` POLYGON data.frame (\autoref{fig:fig2}).
 
 ![Generate a `sf` POLYGON data.frame or a `stars` object from Quadkey-Identified datasets \label{fig:fig2}](../vignettes/workflow_raster.png){height="200pt"}
 
-3. [**Convert Meta (Facebook) Mobility QuadKey-Identified Datasets into Raster Files**](https://docs.ropensci.org/quadkeyr/articles/facebook_mobility_csvs_to_raster_files.html)
+3. [**Convert Meta (Facebook) Mobility QuadKey-Identified Datasets into Raster Files:**](https://docs.ropensci.org/quadkeyr/articles/facebook_mobility_csvs_to_raster_files.html)
 Convert Meta (Facebook) mobility data `.csv` files into `.tif` files by day and
 hour reported (\autoref{fig:fig3}).
 
 ![Convert Meta (Facebook) Mobility QuadKey-Identified Datasets into Raster Files \label{fig:fig3}](../vignettes/workflow_facebook.png){height="200pt"}
 
-4. [**Offer an App for visualizing QuadKeys on a   map**](https://docs.ropensci.org/quadkeyr/articles/quadkey_visualization_app.html)
+4. [**Offer an App for visualizing QuadKeys on a   map:**](https://docs.ropensci.org/quadkeyr/articles/quadkey_visualization_app.html)
 Introduce a QuadKey visualization application 
 enabling users to validate function outcomes.