Polish doc

See gh-1349

Author: Aviskar Basnet

src/asciidoc/core-beans.adoc

@@ -370,7 +370,7 @@ delegates, e.g. with `XmlBeanDefinitionReader` for XML files:
 [subs="verbatim,quotes"]
 ----
 	GenericApplicationContext context = new GenericApplicationContext();
-	new XmlBeanDefinitionReader(ctx).loadBeanDefinitions("services.xml", "daos.xml");
+	new XmlBeanDefinitionReader(context).loadBeanDefinitions("services.xml", "daos.xml");
     context.refresh();
 ----
 
@@ -380,7 +380,7 @@ Or with `GroovyBeanDefinitionReader` for Groovy files:
 [subs="verbatim,quotes"]
 ----
 	GenericApplicationContext context = new GenericApplicationContext();
-	new GroovyBeanDefinitionReader(ctx).loadBeanDefinitions("services.groovy", "daos.groovy");
+	new GroovyBeanDefinitionReader(context).loadBeanDefinitions("services.groovy", "daos.groovy");
     context.refresh();
 ----
 

src/asciidoc/core-validation.adoc

@@ -863,12 +863,16 @@ such as a `static valueOf` method, is defined on the target class.
 [source,java,indent=0]
 [subs="verbatim,quotes"]
 ----
-	public interface ConditionalGenericConverter
-	        extends GenericConverter, ConditionalConverter {
+	public interface ConditionalConverter {
 
 		boolean matches(TypeDescriptor sourceType, TypeDescriptor targetType);
 
 	}
+	
+	public interface ConditionalGenericConverter
+	        extends GenericConverter, ConditionalConverter {
+
+	}
 ----
 
 A good example of a `ConditionalGenericConverter` is an EntityConverter that converts