Update SUMMARY.md

Author: MauroToscano

docs/SUMMARY.md

@@ -3,7 +3,7 @@
 
 * [What is Aligned?](introduction/0_what_is_aligned.md)
 * [Getting started](introduction/1_getting_started.md)
-* [FAQ](introduction/2_fq.md)
+* [FAQ](introduction/2_faq.md)
 * [Core concepts](introduction/3_core_concepts.md)
 * [Use cases](introduction/4_use_cases.md)
 
@@ -15,8 +15,8 @@
 
 ## Architecture
 
-* [Fast mode](architecture/fast_mode.md)
-* [Aggregation mode](architecture/aggregation_mode.md)
+* [Fast mode](architecture/0_fast_mode.md)
+* [Aggregation mode](architecture/1_aggregation_mode.md)
 
 ## Useful links