Update comment (infiniflow#3981)

### What problem does this PR solve?

_Briefly describe what this PR aims to solve. Include background context
that will help reviewers understand the purpose of the PR._

### Type of change

- [x] Documentation Update

---------

Signed-off-by: Jin Hai <[email protected]>
Co-authored-by: writinwaters <[email protected]>

docker/.env

@@ -128,6 +128,7 @@ TIMEZONE='Asia/Shanghai'
 # The maximum file size for each uploaded file, in bytes.
 # You can uncomment this line and update the value if you wish to change the 128M file size limit
 # MAX_CONTENT_LENGTH=134217728
+# After making the change, ensure you update `client_max_body_size` in nginx/nginx.conf correspondingly.
 
 # The log level for the RAGFlow's owned packages and imported packages.
 # Available level:

docker/README.md

@@ -120,7 +120,7 @@ The [.env](./.env) file contains important environment variables for Docker.
 ### Maximum file size
 
 - `MAX_CONTENT_LENGTH`  
-  The maximum file size for each uploaded file, in bytes. You can uncomment this line if you wish to change the 128M file size limit.  Please also update `client_max_body_size` in nginx/nginx.conf correspondingly.
+  The maximum file size for each uploaded file, in bytes. You can uncomment this line if you wish to change the 128M file size limit. After making the change, ensure you update `client_max_body_size` in nginx/nginx.conf correspondingly.
 
 ## 🐋 Service configuration
 

helm/values.yaml

@@ -60,6 +60,7 @@ env:
   # The maximum file size for each uploaded file, in bytes.
   # You can uncomment this line and update the value if you wish to change 128M file size limit
   # MAX_CONTENT_LENGTH: "134217728"
+  # After making the change, ensure you update `client_max_body_size` in nginx/nginx.conf correspondingly.
 
 ragflow:
   deployment: