Update testyourself.do.txt

Author: mhjensen

doc/src/week1/testyourself.do.txt

@@ -15,6 +15,12 @@ memory fails you. We will revisit (with ditto exercises) several of
 these topics during the two first weeks.
 
 
+!split
+===== Layout =====
+
+The basic layout of the material covered by these slides is as follows:
+o A short repetion and definitions of basic concepts (e.g., egienvalue problems, SVD, density matrices etc) and
+o Selected exercises after each topic
 
 
 !split
@@ -50,7 +56,7 @@ With a given vector $\bm{x}$, we define the inner product as
 !split
 ===== Hermitian conjugate =====
 
-The hermitian conjugate of a matrix is obtained by taking the complex
+The hermitian conjugate of for example a matrix is obtained by taking the complex
 conjugate of each element and then taking the transpose of the
 resulting matrix. Often we will just say the transpose or just the
 conjugate, it should be clear from the context that we will mainly