diff --git a/docs/_posts/Cabir40/2023-03-01-t5_flan_base_xx.md b/docs/_posts/Cabir40/2023-03-01-t5_flan_base_xx.md
index a62fda8156585a..f0641bc33902a3 100644
--- a/docs/_posts/Cabir40/2023-03-01-t5_flan_base_xx.md
+++ b/docs/_posts/Cabir40/2023-03-01-t5_flan_base_xx.md
@@ -50,8 +50,8 @@ result = pipeline.fit(data).transform(data)
 ```
 ```scala
 val documentAssembler = new DocumentAssembler() 
-.setInputCols("text")
-.setOutputCols("document")
+.setInputCol("text")
+.setOutputCol("document")
 
 val t5 = T5Transformer.pretrained("t5_flan_base","xx") 
 .setInputCols("document")
@@ -81,4 +81,4 @@ val result = pipeline.fit(data).transform(data)
 
 ## References
 
-https://huggingface.co/google/flan-t5-base
\ No newline at end of file
+https://huggingface.co/google/flan-t5-base