diff --git a/Functional programming.tex b/Functional programming.tex
index a8edaf5..114ef34 100644
--- a/Functional programming.tex	
+++ b/Functional programming.tex	
@@ -103,19 +103,19 @@
 \begin{frame}
 	\frametitle{Core Concepts}
 	\begin{itemize}
-		\item \underline{Pure functions}\\
-			{\onslide<2->{\color{lightgray}A (pure) function must produce the same
+		\item \underline{Purity}\\
+			{\onslide<2->{\color{lightgray}A pure function must produce the same
 			result given the same input and does not rely on or alter external state.}}
-		\item \underline{Non-imperative functions}\\
+		\item \underline{Non-imperativeness}\\
 			{\onslide<3->{\color{lightgray}A function is not a sequence of commands, but
 			a nesting of other functions.}}
-		\item \underline{First class citizens}\\
+		\item \underline{First Class Citizenship}\\
 			{\onslide<4->{\color{lightgray}Functions are equal to other data objects and
 			can thus be passed as function arguments or be computation results
 			themselves.}}
 		\item \underline{Closures}\\
 			{\onslide<5->{\color{lightgray}Functions can only access variables inside
-			context they have been created. This can happen even when the function
+			context they have been created. This is possible even when the function
 			itself has left this context. In this case the variable values are frozen at
 			the moment of departure inside the function.}}
 		\item \underline{Lambdas}\\