Merge pull request #5 from liuktc/patch-4

Update _graphs.tex

src/year2/distributed-autonomous-systems/sections/_graphs.tex

@@ -115,9 +115,9 @@
         \begin{remark}
             It holds that:
             \[ 
-                \matr{D}^\text{IN} = \text{diag}(\matr{A}^T \vec{1}) 
+                \matr{D}^\text{OUT} = \text{diag}(\matr{A}^T \vec{1}) 
                 \quad
-                \matr{D}^\text{OUT} = \text{diag}(\matr{A} \vec{1})
+                \matr{D}^\text{IN} = \text{diag}(\matr{A} \vec{1})
             \]
             where $\vec{1}$ is a vector of ones.
         \end{remark}
@@ -148,4 +148,4 @@
         \begin{remark}
             $\matr{L}^\text{IN}$ is the out-degree Laplacian of the reverse graph.    
         \end{remark}
-\end{description}
+\end{description}

src/year2/ethics-in-ai/module1/sections/_morality.tex

@@ -6,7 +6,7 @@
 
 \begin{description}
     \item[Morality] \marginnote{Morality}
-        There is no widely agreed definition of morality. On a high-level, it refers to norms to determine which actions are right or wrong.  
+        There is no widely agreed upon definition of morality. On a high-level, it refers to norms to determine which actions are right or wrong.  
 \end{description}
 
 
@@ -48,7 +48,7 @@
                 Field that uses scientific techniques to study how people reason and act.
 
             \item[Meta-ethics] \marginnote{Meta-ethics}
-                Field that analysis the language, concepts, and methods of reasoning in normative ethics. Some research questions are ``can ethical judgments be true or false?'', ``does morality correspond to facts in the world?'', \dots
+                Field that analyzes the language, concepts, and methods of reasoning in normative ethics. Some research questions are ``can ethical judgments be true or false?'', ``does morality correspond to facts in the world?'', \dots
         \end{description}
 \end{description}