diff --git a/MapProjections/Shared/Nad27UtmProjection.cs b/MapProjections/Shared/Nad27UtmProjection.cs
index ecd06ead..d654c3d6 100644
--- a/MapProjections/Shared/Nad27UtmProjection.cs
+++ b/MapProjections/Shared/Nad27UtmProjection.cs
@@ -8,6 +8,7 @@ namespace MapControl.Projections
 {
     /// <summary>
     /// NAD27 UTM Projection with zone number.
+    /// Appears to be less accurate than MapControl.Nad27UtmProjection.
     /// </summary>
     public class Nad27UtmProjection : GeoApiProjection
     {
@@ -30,8 +31,7 @@ namespace MapControl.Projections
                 = $"PROJCS[\"NAD27 / UTM zone {zone}N\","
                 + "GEOGCS[\"NAD27\","
                 + "DATUM[\"North_American_Datum_1927\","
-                + "SPHEROID[\"Clarke 1866\",6378206.4,294.978698213898],"
-                + "],"
+                + "SPHEROID[\"Clarke 1866\",6378206.4,294.978698213898]],"
                 + "PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],"
                 + "UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],"
                 + "AUTHORITY[\"EPSG\",\"4267\"]],"