Fix typos

Author: salvaleonrp

README.md

@@ -40,7 +40,7 @@ Below are links to essential references used in the blogs.
     3. [Learn JSON](https://www.youtube.com/watch?v=iiADhChRriM)<br/>
 
 * [Export Subnetwork GP Tool (Doc)](https://pro.arcgis.com/en/pro-app/latest/tool-reference/utility-networks/export-subnetwork.htm)<br/>
-* [Export Subnetwork Reast API (Doc)](https://developers.arcgis.com/rest/services-reference/enterprise/exportsubnetwork-utility-network-server-.htm)<br/>
+* [Export Subnetwork REST API (Doc)](https://developers.arcgis.com/rest/services-reference/enterprise/exportsubnetwork-utility-network-server-.htm)<br/>
 * [Network Topology index (Pro SDK Doc)](https://github.com/esri/arcgis-pro-sdk/wiki/ProConcepts-Utility-Network#network-topology)<br/>
 * [Tracing subset of the Utility Network (Pro SDK Doc)](https://github.com/esri/arcgis-pro-sdk/wiki/ProConcepts-Utility-Network#tracing)<br/>
 * [Adding Description to Export Subnetwork JSON blog](https://community.esri.com/t5/arcgis-utility-network-questions/adding-descriptions-to-export-subnetwork-json/m-p/367933)<br/>