use full underthehood.meltwater.com name in acknowledgments

Co-Authored-By: gconnolly <connolly.gene@gmail.com>

Author: spier

README.md

@@ -244,6 +244,6 @@ Achieving widespread support will require:
 
 ## Acknowledgements
 
-_Immutable Web Apps_ was developed based on the research and experiences building web applications at [Meltwater](https://www.meltwater.com/). Learn more about the things we are doing at our engineering blog: [_under the hood_](https://underthehood.meltwater.com/).
+_Immutable Web Apps_ was developed based on the research and experiences building web applications at [Meltwater](https://www.meltwater.com/). Learn more about the things we are doing at our engineering blog: [underthehood.meltwater.com](https://underthehood.meltwater.com/).
 
 immutablewebapps@gmail.com