Update Readme

for Linux #22

Author: christiannagel

README.md

@@ -22,11 +22,11 @@ Samples available for these chapters (sample folders):
 * Chapter 2 - Core C# (CoreCSharp) [Windows, Linux]
 * Chapter 3 - Objects and Types (ObjectsAndTypes) [Windows, Linux]
 * Chapter 4 - Inheritance (Inheritance) [Windows, Linux]
-* Chapter 5 - Managed and Unmanaged Resources (Resources) [PInvokeSample is Windows only, all others Windows, Linux]
+* Chapter 5 - Managed and Unmanaged Resources (Resources) [see chapter's Readme, Windows, Linux]
 * Chapter 6 - Generics (Generics) [Windows, Linux]
 * Chapter 7 - Arrays and Tuples (Arrays) [Windows, Linux]
 * Chapter 8 - Operators and Casts (OperatorsAndCasts) [Windows, Linux]
-* Chapter 9 - Delegates, Lambdas, and Events (Delegates) [WeakEvents sample requires .NET Framework, other samples Windows, Linux]
+* Chapter 9 - Delegates, Lambdas, and Events (Delegates) [see chapter's Readme, Windows, Linux]
 * Chapter 10 - Strings and Regular Expressions (StringsAndRegularExpressions) [Windows, Linux]
 * Chapter 11 - Collections (Collections) [Windows, Linux]
 * Chapter 12 - Special Collections (SpecialCollections) [Windows, Linux]