Fix Javadoc

Author: Marcono1234

src/main/java/com/code_intelligence/jazzer/mutation/annotation/Negative.java

@@ -25,7 +25,7 @@
 import java.lang.annotation.Target;
 
 /**
- * Generates a negative number, that is, a number < 0.
+ * Generates a negative number, that is, a number {@literal <} 0.
  *
  * <p>For {@code float} and {@code double} this does not include -0.0 or NaN.
  */

src/main/java/com/code_intelligence/jazzer/mutation/annotation/NonPositive.java

@@ -25,7 +25,7 @@
 import java.lang.annotation.Target;
 
 /**
- * Generates a non-positive number, that is, a number <= 0.
+ * Generates a non-positive number, that is, a number {@literal <=} 0.
  *
  * <p>For {@code float} and {@code double} this does not include NaN.
  */