121323 fix getcollection link (#140)

* fix getCollection API link

Author: Chris Cho

source/fundamentals/data-formats/documents.txt

@@ -277,7 +277,7 @@ see the following API Documentation:
 - `JsonObject <{+api+}/apidocs/bson/org/bson/json/JsonObject.html>`__
 - `JsonObjectCodec <{+api+}/apidocs/bson/org/bson/codecs/JsonObjectCodec.html>`__
 - `JsonWriterSettings <{+api+}/apidocs/bson/org/bson/json/JsonWriterSettings.html>`__
-- `getCollection() </apidocs/mongodb-driver-kotlin-coroutine/mongodb-driver-kotlin-coroutine/com.mongodb.kotlin.client.coroutine/-mongo-database/get-collection.html>`__
+- `getCollection() <{+api+}/apidocs/mongodb-driver-kotlin-coroutine/mongodb-driver-kotlin-coroutine/com.mongodb.kotlin.client.coroutine/-mongo-database/get-collection.html>`__
 
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