Update pages/generative-apis/how-to/query-vision-models.mdx

Co-authored-by: Rowena Jones <[email protected]>

Author: bene2k1

pages/generative-apis/how-to/query-vision-models.mdx

@@ -129,7 +129,7 @@ To encode Base64 images in Python, you first need to install `Pillow` library:
 pip install pillow
 ```
 
-Then, the following Python code sample shows you how to encode an image in base64 format and pass it to your request payload:
+Then, the following Python code sample shows you how to encode an image in Base64 format and pass it to your request payload:
 
 ```python
 import base64