slightly improve separation of office and lab guide

Author: behinger

how-to-find-us.md

@@ -3,7 +3,8 @@
 
 # How to Find Us
 
-Our offices can be found at [Universitätsstr. 32, 70569 Stuttgart](https://maps.app.goo.gl/qe2mk97vEQadhSiC8). Because it's not the easiert building to find on campus, we created a small video on how to get to our offices 👇
+## Offices
+Our **offices** can be found at [Universitätsstr. 32, 70569 Stuttgart](https://maps.app.goo.gl/qe2mk97vEQadhSiC8). Because it's not the easiert building to find on campus, we created a small video on how to get to our offices 👇
 
 @@centered
 ~~~
@@ -13,7 +14,10 @@ Our offices can be found at [Universitätsstr. 32, 70569 Stuttgart](https://maps
 ~~~
 @@
 
-We also have a lab, where we run our experiments. It's located at [Pfaffenwaldring 5b, 70569 Stuttgart](https://maps.app.goo.gl/vgbBzbAfJnXLDSd3A) and you can find a similar guide on how to get to our lab here 👇
+----
+
+## Laboratory
+We also have a **lab**, where we run our experiments. It's located at [Pfaffenwaldring 5b, 70569 Stuttgart](https://maps.app.goo.gl/vgbBzbAfJnXLDSd3A) and you can find a similar guide on how to get to our lab here 👇
 
 ~~~
 <div class="container">