fix typo

Author: cyyeh

packages/doc/blog/querying-your-data-easily-and-smartly-through-huggingface.mdx

@@ -63,7 +63,7 @@ VulcanSQL currently integrates the table question answering feature by creating
 `huggingface_table_question_answering` and allows you to apply functions to variables using the 
 pipe operator (`|`).
 
-**Sample 1 - send the data from the variable `set` tag:**
+**Sample 1 - send the data from the [`set` tag](../docs/develop/advanced#set-variables):**
 
 You could give the dataset with the **`set` tag**
 and give the question with the `query` field:
@@ -104,7 +104,7 @@ Here is a response returned by `huggingface_table_question_answering`:
 The result will be converted to a JSON string from `huggingface_table_question_answering`.
 You could decompress the JSON string and use the result by yourself.
 
-**Sample 2 - send the data from the `req` tag:**
+**Sample 2 - send the data from the [`req` tag](../docs/develop/predefined-queries):**
 
 You could also use the `req` tag to keep the query result from the previous SQL condition and save it 
 to a variable named `repositories`. Then you can use `.value()` to get the data result and 

packages/doc/docs/extensions/huggingface/huggingface-table-question-answering.mdx

@@ -6,7 +6,7 @@ The [Table Question Answering](https://huggingface.co/docs/api-inference/detaile
 
 The result will be converted to a JSON string from `huggingface_table_question_answering`. You could decompress the JSON string and use the result by itself.
 
-**Sample 1 - send the data from variable by [set tag](https://vulcansql.com/docs/develop/advance#set-variables):**
+**Sample 1 - send the data from variable by [set tag](../../develop/advanced#set-variables):**
 
 ```sql
 {% set data = [
@@ -41,7 +41,7 @@ SELECT {{ data | huggingface_table_question_answering(query="How many repositori
 ]
 ```
 
-**Sample 2 - send the data from [req tag](https://vulcansql.com/docs/develop/predefined-queries):**
+**Sample 2 - send the data from [req tag](../../develop/predefined-queries):**
 
 ```sql
 {% req artists %}