diff --git a/README.md b/README.md
index 33a72fc9..12befaae 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,8 @@ Downloads](http://cranlogs.r-pkg.org/badges/grand-total/soilDB)](https://cran.r-
 ![CRAN/METACRAN](https://img.shields.io/cran/l/soilDB) [![soilDB
 Manual](https://img.shields.io/badge/docs-HTML-informational)](https://ncss-tech.github.io/soilDB/docs)
 
-## Installation
+Installation
+------------
 
 Get the stable version from CRAN:
 
@@ -19,17 +20,20 @@ Get the development version from GitHub:
 
     remotes::install_github("ncss-tech/soilDB", dependencies = FALSE, upgrade = FALSE, build = FALSE)
 
-## Website
+Website
+-------
 
--   <http://ncss-tech.github.io/AQP/>
+-   <a href="http://ncss-tech.github.io/AQP/" class="uri">http://ncss-tech.github.io/AQP/</a>
 
-## Citation
+Citation
+--------
 
 Dylan Beaudette, Jay Skovlin, Stephen Roecker and Andrew Brown (2021).
 soilDB: Soil Database Interface. R package version 2.6.3.
-<https://CRAN.R-project.org/package=soilDB>
+<a href="https://CRAN.R-project.org/package=soilDB" class="uri">https://CRAN.R-project.org/package=soilDB</a>
 
-## soilDB 2.6.3
+soilDB 2.6.3
+------------
 
 ### Notices on Database Interfaces
 
@@ -48,16 +52,20 @@ soilDB: Soil Database Interface. R package version 2.6.3.
 
 #### Soil Data Access (SDA)
 
--   `SDA_query` returns a `try-error` for queries with invalid syntax or
-    on network error; empty results are an empty `data.frame()`
--   `SDA_spatialQuery()` can return Soil Survey Area `sapolygon` data
--   `fetchSDA_spatial()` can return STATSGO `gsmmupolygon` or Soil
+-   `SDA_query()` returns a `try-error` for queries with invalid syntax
+    or on network error; empty results are an empty `data.frame()`
+
+-   `SDA_spatialQuery()` can return Soil Survey Area sapolygon data
+
+-   -   `fetchSDA_spatial()` can return STATSGO `gsmmupolygon` or Soil
     Survey Area `sapolygon` data; and can join to the `legend` table
+
 -   Added several new SDA query methods based on
     [ssurgoOnDemand](https://github.com/ncss-tech/ssurgoOnDemand) by
-    Jason Nemecek and Chad Ferguson: \* `get_SDA_property()`,
-    `get_SDA_interpretation()`, `get_SDA_muaggatt()`,
-    `get_SDA_hydric()`, `get_SDA_pmgroupname()`
+    Jason Nemecek and Chad Ferguson:
+
+-   `get_SDA_property()`, `get_SDA_interpretation()`,
+    `get_SDA_muaggatt()`, `get_SDA_hydric()`, `get_SDA_pmgroupname()`
 
 #### MS Access
 
@@ -69,7 +77,8 @@ soilDB: Soil Database Interface. R package version 2.6.3.
 -   `ISSR800.wcs()` and `mukey.wcs()` now return a result that inherits
     from `try-error` (and a message) if the Web Coverage Service fails
 
-## Functions by Data Source
+Functions by Data Source
+------------------------
 
 -   SDA
     -   [`fetchSDA`](http://ncss-tech.github.io/soilDB/docs/reference/fetchSDA_component.html)
@@ -122,7 +131,8 @@ soilDB: Soil Database Interface. R package version 2.6.3.
 -   SoilGrids
     -   [`fetchSoilGrids`](http://ncss-tech.github.io/soilDB/docs/reference/fetchSoilGrids.html)
 
-## Miscellaneous Functions
+Miscellaneous Functions
+-----------------------
 
 -   [`estimateSTR`](http://ncss-tech.github.io/soilDB/docs/reference/estimateSTR.html)
 -   [`STRplot`](http://ncss-tech.github.io/soilDB/docs/reference/STRplot.html)
@@ -133,7 +143,8 @@ soilDB: Soil Database Interface. R package version 2.6.3.
 -   [`code`](http://ncss-tech.github.io/soilDB/docs/reference/code.html)
 -   [`get_NOAA_GHCND`](http://ncss-tech.github.io/soilDB/docs/reference/get_NOAA_GHCND.html)
 
-## Tutorials and Demonstrations
+Tutorials and Demonstrations
+----------------------------
 
 -   [fetchKSSL](http://ncss-tech.github.io/AQP/soilDB/KSSL-demo.html)
 -   [SDA\_query](http://ncss-tech.github.io/AQP/soilDB/SDA-tutorial.html)
@@ -141,12 +152,14 @@ soilDB: Soil Database Interface. R package version 2.6.3.
 -   [SCAN/SNOTEL
     Data](http://ncss-tech.github.io/AQP/soilDB/fetchSCAN-demo.html)
 
-## Related Packages
+Related Packages
+----------------
 
 -   [aqp](https://github.com/ncss-tech/aqp)
 -   [sharpshootR](https://github.com/ncss-tech/sharpshootR)
 
-## Examples
+Examples
+--------
 
 ### Load Soil Packages
 
@@ -166,7 +179,7 @@ soilDB: Soil Database Interface. R package version 2.6.3.
     res <- vizHillslopePosition(s$hillpos, annotation.cex = 0.9)
     print(res$fig)
 
-<img src="https://i.imgur.com/YYfouKs.png" width="1056" />
+<img src="https://i.imgur.com/RQhdWRv.png" width="1056" />
 
 ### Make Profile Sketches
 
@@ -180,7 +193,7 @@ soilDB: Soil Database Interface. R package version 2.6.3.
       width = 0.2
     )
 
-<img src="https://i.imgur.com/iaj9HK9.png" width="1344" />
+<img src="https://i.imgur.com/nvn3OFu.png" width="1344" />
 
 ### Identify Tabular “Siblings”
 
@@ -210,8 +223,9 @@ soilDB: Soil Database Interface. R package version 2.6.3.
       cex.names = 1
     )
 
-<img src="https://i.imgur.com/cPYoerX.png" width="1344" />
+<img src="https://i.imgur.com/S8eL9yj.png" width="1344" />
 
-## Dependency Graph
+Dependency Graph
+----------------
 
 ![](https://cran.microsoft.com/packagedata/graphs/soilDB.png)