doc: debug admonition syntax

Author: franckgaga

docs/src/public/generic_func.md

@@ -57,9 +57,9 @@ setmodel!
 getinfo
 ```
 
-## Simulate/Control in Real-Time
+## Real-Time Simulate and Control
 
-!!!danger "Disclaimer"
+!!! danger "Disclaimer"
     These utilities are for soft real-time applications. They are not suitable for hard
     real-time environnement like safety-critical processes.
 

src/sim_model.jl

@@ -308,7 +308,7 @@ is `false`. Else, a simple `while` loop implements busy-waiting. As a rule-of-th
 busy-waiting should be used if `model.Ts < 0.1` s, since the accuracy of `sleep` is around 1
 ms. Can be used to implement simple soft real-time simulations, see the example below.
 
-!!!warning
+!!! warning
     The allocations in Julia are garbage-collected (GC) automatically. This can affect the 
     timings. In such cases, you can temporarily stop the GC with `GC.enable(false)`, and
     restart it at a convenient time e.g.: just before calling `periodsleep`.