Change time slot for afternoon Q&A session (nonlinear filters and DSGE models), also change section name.

Dynare-Summer-School-2021.md

@@ -67,12 +67,12 @@ compile it from source).
 
 
 
-# Full information estimation of nonlinear DSGE models
+# Nonlinear filters and DSGE models
 
  - [slides](https://dynare.adjemian.eu/summer-school-2021/nonlinear-filters.pdf)
  - [exercises]()
  - Q&A session A: Wenesday, June 23, 07:00-08:30 (UTC)
- - Q&A session B: Wenesday, June 23, 15:00-16:30 (UTC)
+ - Q&A session B: Wenesday, June 23, 16:30-18:00 (UTC)
 
 
 # Partial information estimation of DSGE models