Updated readme [skip ci]

Author: ankane

README.md

@@ -33,7 +33,7 @@ And follow the instructions for your database library:
 - Groovy - [JDBC](#jdbc-groovy), [Groovy SQL](#groovy-sql)
 - Scala - [JDBC](#jdbc-scala), [Slick](#slick)
 
-Or check out an example:
+Or check out some examples:
 
 - [Embeddings](src/test/java/com/pgvector/OpenAITest.java) with OpenAI
 - [Binary embeddings](src/test/java/com/pgvector/CohereTest.java) with Cohere