fix markdown comments

slides/main.md

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 # Goal of this tutorial
 
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 - Present the need for runtime management of computing systems
 
 - Show how computing systems can benefit from the Feedback loop approach
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 - Show what Control Theory can bring to Autonomic Computing
   - principles of the guarantees
@@ -296,7 +296,7 @@ Map the error to the next action to reach desired system state with guarantees
 
 ![Control Theory Methodology](figs/methodo.pdf){width=90% height=50%}
 
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 # Some Examples
 
 - Regulate the **heat of a processor** based on its frequency
@@ -323,7 +323,7 @@ Map the error to the next action to reach desired system state with guarantees
   
   - Reference: 60 FPS
   
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 # Some Examples