Minor update in FallThroughCheck xdoc and javadoc

src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/FallThroughCheck.java

@@ -28,7 +28,7 @@ import com.puppycrawl.tools.checkstyle.api.TokenTypes;
 
 /**
  * Checks for fall through in switch statements
- * Finds locations where a case contains Java code -
+ * Finds locations where a case <b>contains</b> Java code -
  * but lacks a break, return, throw or continue statement.
  *
  * <p>
@@ -38,13 +38,17 @@ import com.puppycrawl.tools.checkstyle.api.TokenTypes;
  * </p>
  * <p>
  * The following fragment of code will NOT trigger the check,
- * because of the comment "fallthru".
+ * because of the comment "fallthru" and absence of any Java code
+ * in case 5.
  * </p>
  * <pre>
  * case 3:
  *     x = 2;
  *     // fallthru
  * case 4:
+ * case 5:
+ * case 6:
+ *     break;
  * </pre>
  * <p>
  * The recognized relief comment can be configured with the property

src/xdocs/config_coding.xml

@@ -2197,7 +2197,7 @@ if ("something".equals(x))
         <p>
           Checks for fall-through in <code>switch</code>
           statements. Finds locations where a <code>case</code>
-          contains Java code but lacks a <code>break</code>, <code>return</code>,
+          <b>contains</b> Java code but lacks a <code>break</code>, <code>return</code>,
           <code>throw</code> or <code>continue</code>
           statement.
         </p>
@@ -2219,13 +2219,15 @@ case 0:
 case 1:
     i++;
     // falls through
-case 2: {
+case 2:
+case 3:
+case 4: {
     i++;
 }
 // fallthrough
-case 3:
+case 5:
     i++;
-/* fallthru */case 4:
+/* fallthru */case 6:
     i++
     break;
 }