Fix mistake that broke styling (#919)

Author: Mousaka

testimonials/index.md

@@ -122,7 +122,7 @@ I would recommend any software engineer that cares about their craft to take the
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 > The compiler and the use of exhaustive pattern matching have saved us from what could’ve been many mistakes in production.
-> 
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 1. **Kristian Lundström & Simon Lydell**
 2. Software Engineers
 3. [Insurello](https://www.insurello.se/)