Correct typo

README.md

@@ -59,7 +59,7 @@ data = load_dataset("NbAiLab/NPSC", config="16K_mp3_bokmaal", streaming=True)
 ```
 
 ## Dataset Summary
-The NPSC dataset contains JSON lines with language training data. The data loader will add audio data to this structure. Here is an example json object.:
+The NPSC dataset contains JSON lines with language training data. The data loader will add audio data to this structure. Here is an example json object:
 ```json
 {
 "sentence_id": 49853,