Merge branch 'main' of https://github.com/QuantEcon/lecture-python-intro into in_line_with_manual

Author: HengchengZhang

lectures/about.md

@@ -1,4 +1,4 @@
-# About these Lectures
+# About These Lectures
 
 
 ## About

lectures/cons_smooth.md

@@ -17,7 +17,7 @@ kernelspec:
 
 ## Overview
 
-In this notebook, we'll present  some useful models of economic dynamics using only linear algebra -- matrix multiplication and matrix inversion.
+In this lecture, we'll present  some useful models of economic dynamics using only linear algebra -- matrix multiplication and matrix inversion.
 
 {doc}`Present value formulas<pv>` are at the core of the models.
 

lectures/intro.md

@@ -13,7 +13,9 @@ kernelspec:
 
 This lecture series provides an introduction to quantitative economics using Python. 
 
-It was designed and written by [Thomas J. Sargent](http://www.tomsargent.com/), [John Stachurski](http://johnstachurski.net/), and the rest of the QuantEcon team. 
+The lectures were designed and written by [Thomas J. Sargent](http://www.tomsargent.com/) and [John Stachurski](http://johnstachurski.net/), 
+with extensive help from the rest of the QuantEcon team. 
+
 ```{tableofcontents}
 ```