README-en.md edited online with Bitbucket

README-en.md

@@ -112,9 +112,8 @@ To plot a curve that is described by parametric equations, we compute the $$x$$
 
 ## Laboratory session:
 
-### Exercise 1
+### Exercise 1: Plotting interesting curves
 
-In this exercise you will plot the graphs of some parametric equations of interesting curves.
 
 **Instructions**
 
@@ -192,11 +191,9 @@ In [2] and [3] you can find other parametric equations of interesting curves.
 
 
 
-### Exercise 2
+### Exercise 2: Computing grade point average (GPA)
 
-In this exercise you will write a program to obtain a student's grade point average (GPA).
-
-Suppose that all courses in Cheo's University are $$3$$ credits each and have the following point values: $$A = 4$$ points per credit; $$B = 3$$ points per credit; $$C = 2$$ points per credit; $$D = 1$$ point per credit y $$F = 0$$ points per credit.
+In this exercise you will write a program to obtain a student's grade point average (GPA). Suppose that all courses in Cheo's University are $$3$$ credits each and have the following point values: $$A = 4$$ points per credit; $$B = 3$$ points per credit; $$C = 2$$ points per credit; $$D = 1$$ point per credit y $$F = 0$$ points per credit.
 
 **Instructions**