fix typos

Author: rmseifried

docs/ogm-aardvark/geometry.csv

@@ -2,7 +2,7 @@ Label,Geometry
 URI,https://opengeometadata.org/ogm-aardvark/#geometry
 Field Name,locn_geometry
 Field Type,String
-Obligation,Mandatory - powers the map search and extent indicators in GeoBlacklight software 
+Obligation,Mandatory - powers the map search and extent indicators in GeoBlacklight 
 Multivalued,False
 Purpose,To display the extent of the resource and to power the map search.
 Entry Guidelines,"This may be a bounding box or more complex geometry. For a bounding box, it should use the ENVELOPE(W,E,N,S) syntax. For a more complex geometry, it should use the WKT (""well-known text"") POLYGON or MULTIPOLYGON syntax. Note that WKT polygon vertices should be defined in counter-clockwise order."

docs/ogm-aardvark/id.csv

@@ -2,7 +2,7 @@ Label,ID
 URI,https://opengeometadata.org/ogm-aardvark/#id
 Field Name,id
 Field Type,String
-Obligation,Mandatory - serves as the unique identifier; critical from GeoBlacklight functioning
+Obligation,Mandatory - serves as the unique identifier; critical for GeoBlacklight functioning
 Multivalued,False
 Purpose,To provide a unique text string for the item that will act as the primary key in Solr and to create a unique landing page for the item.
 Entry Guidelines,"Enter a string that only contains alpha-numeric characters (A-Z, a-z, 0-9), hyphens, underscores, and colons. This ID must be unique within your instance's GeoBlacklight index."

docs/ogm-aardvark/references.csv

@@ -2,7 +2,7 @@ Label,References
 URI,https://opengeometadata.org/ogm-aardvark/#references
 Field Name,dct_references_s
 Field Type,String (serialized JSON)
-Obligation,Mandatory - used for download links and to direct users to more information
+Obligation,Mandatory - used to provide download links and direct users to more information
 Multivalued,False
 Purpose,To provide external URLs for accessing or describing the resource.
 Entry Guidelines,"This field defines external services and references using the CatInterOp approach. The field value is a serialized JSON array of key/value pairs, with keys representing namespace URI's and values the URL. See [Configure References Links](../configure-references-links/) for detailed information about configuring this field."