Add info about poster abracts until registration deadline

Author: jank324

content/_index.md

@@ -2,7 +2,7 @@
 ---
 
 {{< attention-box color="#339933" href="https://indico.scc.kit.edu/event/4216/abstracts/" >}}
-**Call for abstracts extended!** New deadline: 14 February 2025.
+**We still accept poster abstracts until 7 March to encourage discussions during the workshop.**
 {{< /attention-box >}}
 
 ## What is RL4AA'25?

content/registration.md

@@ -4,7 +4,7 @@ title: Registration
 
 ## How to Register
 
-We are very please to announce that we are able to wave the registration fee for all participants!
+We are very pleased to announce that we are able to wave the registration fee for all participants!
 
 To register, please follow the button below to access to Indico page for this workshop.
 
@@ -14,7 +14,7 @@ Go to registration!
 
 ## Important Dates
 
-- **Abstract submission deadline:** 14 February 2025
+- **Abstract submission deadline:** 14 February 2025 (posters until 7 March)
 - **Registration closes:** 7 March 2025
 - **Workshop:** 2 - 4 April 2025