diff --git a/content/blog/1d-collisions/index.md b/content/blog/1d-collisions/index.md
index 770059c..8ba3b7f 100644
--- a/content/blog/1d-collisions/index.md
+++ b/content/blog/1d-collisions/index.md
@@ -2,7 +2,7 @@
 
 ## 1. Introduction
 
-
+Recently, the recommendation system of a video hosting site suggested me to watch a video of several cubes colliding. It appeared to be an intriguing concept. After viewing the video, I was inspired to create a simulation of that process and explain its underlying principles.
 
 ## 2. Relevance
 
@@ -10,7 +10,7 @@ There are numerous reasons why this project is relevant, as well as a wide range
 
 - It can be used in the educational process. For instance, it can be used to illustrate some principles of mechanics to students and to visualize some physics problems.
   
-- It can be used to simulate some physical experiments. For instance, it can be used to simulate the one described in _G. A. Galperin's work_[^1]. 
+- It can be used to simulate some physical experiments. For instance, it can be used to simulate the one described in _G. A. Galperin's work.[^1] 
 
 - It can be used as a basis for future projects.