Update README.md

Author: hakanson

examples/s3-upload-workflow/README.md

@@ -7,19 +7,19 @@ The architecture for an "S3 Upload Workflow" is represented across multiple exam
 `S3 Upload Workflow.puml` is a mixture between a structure diagram (network connections between services) and a behavior diagram (numbered message arrows).
 
 
-![Amazon S3 Upload Workflow Sample diagram](http://www.plantuml.com/plantuml/proxy?idx=0&src=https%3A%2F%2Fraw.githubusercontent.com%2Fawslabs%2Faws-icons-for-plantuml%2Fv16.0%2Fexamples%2FS3%2520Upload%2520Workflow.puml)
+![Amazon S3 Upload Workflow Sample diagram](http://www.plantuml.com/plantuml/proxy?idx=0&src=https%3A%2F%2Fraw.githubusercontent.com%2Fawslabs%2Faws-icons-for-plantuml%2Fv16.0%2Fexamples%2Fs3-upload-workflow%2FS3%2520Upload%2520Workflow.puml)
 
 ## Sequence diagram
 
 `S3 Upload Workflow - sequence.puml` is a the sequence diagram version of this example, using the same numbered messages to make comparing the diagrams easier.
 
-![Amazon S3 Upload Workflow Sample sequence diagram](http://www.plantuml.com/plantuml/proxy?idx=0&src=https%3A%2F%2Fraw.githubusercontent.com%2Fawslabs%2Faws-icons-for-plantuml%2Fv16.0%2Fexamples%2FS3%2520Upload%2520Workflow%2520-%2520sequence.puml)
+![Amazon S3 Upload Workflow Sample sequence diagram](http://www.plantuml.com/plantuml/proxy?idx=0&src=https%3A%2F%2Fraw.githubusercontent.com%2Fawslabs%2Faws-icons-for-plantuml%2Fv16.0%2Fexamples%2Fs3-upload-workflow%2FS3%2520Upload%2520Workflow%2520-%2520sequence.puml)
 
 ## C4-PlantUML diagram
 
 C4-PlantUML combines the benefits of PlantUML and the [C4 model](https://c4model.com/). `S3 Upload Workflow - C4.puml` uses [C4-PlantUML](https://github.com/plantuml-stdlib/C4-PlantUML) with `$AWSC4AddElementTag`, an experimental tag based Element formatter.  This is a C4 Model container diagram for this example.
 
-![Amazon S3 Upload Workflow Sample C4 diagram](http://www.plantuml.com/plantuml/proxy?idx=0&src=https%3A%2F%2Fraw.githubusercontent.com%2Fawslabs%2Faws-icons-for-plantuml%2Fv16.0%2Fexamples%2FS3%2520Upload%2520Workflow%2520-%2520C4.puml)
+![Amazon S3 Upload Workflow Sample C4 diagram](http://www.plantuml.com/plantuml/proxy?idx=0&src=https%3A%2F%2Fraw.githubusercontent.com%2Fawslabs%2Faws-icons-for-plantuml%2Fv16.0%2Fexamples%2Fs3-upload-workflow%2FS3%2520Upload%2520Workflow%2520-%2520C4.puml)
 
 ## Structurizr Lite workspace