Update Visualising Flows - swap example to check-uk-visa

docs/debugging/visualising-flows.md

@@ -1,18 +1,18 @@
 # Visualising flows
 
-To see an interactive visualisation of a smart answer flow, append `/y/visualise` to the root of a smart answer URL e.g. `http://smartanswers.dev.gov.uk/<smart-answer>/y/visualise` or `https://www.gov.uk/<smart-answer>/y/visualise`
+To see an interactive visualisation of a smart answer flow, append `/y/visualise` to the root of a smart answer URL e.g. `http://smart-answers.dev.gov.uk/<smart-answer>/y/visualise` or `https://www.gov.uk/<smart-answer>/y/visualise`
 
 To see a static visualisation of a smart answer flow, using Graphviz:
 
 ```bash
 # Download graphviz representation
-$ curl https://www.gov.uk/marriage-abroad/y/visualise.gv --silent > /tmp/marriage-abroad.gv
+$ curl https://www.gov.uk/check-uk-visa/y/visualise.gv --silent > /tmp/check-uk-visa.gv
 
 # Use Graphviz to generate a PNG
-$ dot /tmp/marriage-abroad.gv -Tpng > /tmp/marriage-abroad.png
+$ dot /tmp/check-uk-visa.gv -Tpng > /tmp/check-uk-visa.png
 
 # Open the PNG
-$ open /tmp/marriage-abroad.png
+$ open /tmp/check-uk-visa.png
 ```
 
 __NOTE.__ This assumes you already have Graphviz installed. You can install it using Homebrew on a Mac (`brew install graphviz`).