diff --git a/dist/docs/readme.txt b/dist/docs/readme.txt
index b00a1f4..09d17be 100644
--- a/dist/docs/readme.txt
+++ b/dist/docs/readme.txt
@@ -63,6 +63,11 @@ ren (0): rename ambiguous (resp. obfuscated) classes and class elements
 urc    : full name of user-supplied class implementing IIdentifierRenamer. It is used to determine which
          class identifiers should be renamed and provides new identifier names. For more information 
          s. section 5    
+dpc (0): generate a special comment ('/** @deprecated */') for deprecated classes and class members 
+inn (1): check for IntelliJ IDEA-specific @NotNull annotation and remove inserted code if found 
+lac (0): decompile lambda expressions to anonymous classes
+nls (0): define new line character to be used for output. 0 - '\r\n' (Windows), 1 - '\n' (Linux) 
+         
  
 The default logging level is INFO. This value can be overwritten by setting the option 'log' as follows:
 
diff --git a/src/de/fernflower/main/DecompilerContext.java b/src/de/fernflower/main/DecompilerContext.java
index 37d50ad..99001a0 100644
--- a/src/de/fernflower/main/DecompilerContext.java
+++ b/src/de/fernflower/main/DecompilerContext.java
@@ -88,6 +88,8 @@ public class DecompilerContext {
 		
 		mapDefault.put(IFernflowerPreferences.NEW_LINE_SEPARATOR, "0");
 		
+		mapDefault.put(IFernflowerPreferences.IDEA_NOT_NULL_ANNOTATION, "1");
+		
 		if(propertiesCustom != null) {
 			mapDefault.putAll(propertiesCustom);
 		}