replace 4x experiance

_events/2020/2020-03-05-Machine-Learning-Hackathon-at-GFZ.md

@@ -17,4 +17,4 @@ excerpt:
     " A one day Hackathon organized by Machine Learning Community at GFZ "
 ---
 
-This hackathon aims to bring researchers that are experts in machine learning and/or intersted researchers together. Using real world datasets, it allows researchers to work together using existing machine learning tools and methods. The hackathon is a friendly event that let everyone to share experiance and learn from others.
+This hackathon aims to bring researchers that are experts in machine learning and/or intersted researchers together. Using real world datasets, it allows researchers to work together using existing machine learning tools and methods. The hackathon is a friendly event that let everyone to share experience and learn from others.

_events/2020/2020-05-18-lecture-series-on-scientific-computing.md

@@ -38,4 +38,4 @@ The lecture series is consists of the following topics:
 
 ## Requirements
 
-No prior knowledge or experiance is required.
+No prior knowledge or experience is required.

_events/2020/2020-11-23-Git-with-GitLab-for-Teams-and-Reproducible-Research.md

@@ -43,4 +43,4 @@ The workshop covers topics on:
 
 ## Requirements
 
-No prior knowledge or experiance is required.
+No prior knowledge or experience is required.

_events/2020/2020-12-08-Make-Your-Script-Ready-for-Publication.md

@@ -42,4 +42,4 @@ The workshop contains practical sessions on how to:
 
 ## Requirements
 
-No prior knowledge or experiance is required.
+No prior knowledge or experience is required.