Update for feedback

java/ql/src/Violations of Best Practice/Dead Code/LocalInitialisedButNotUsed.ql

@@ -1,6 +1,6 @@
 /**
  * @name Local variable is initialized but not used
- * @description Assigning a value to a local variable that is not used may indicate an error in the code.
+ * @description A local variable that is initialized but not subsequently used may indicate an error in the code.
  * @kind problem
  * @problem.severity recommendation
  * @precision low

java/ql/src/Violations of Best Practice/Dead Code/UnusedLocal.ql

@@ -1,6 +1,6 @@
 /**
  * @name Unused local variable
- * @description Assigning a value to a local variable that is not used may indicate incomplete code.
+ * @description A local variable that is not initialized, assigned, or read may indicate incomplete code.
  * @kind problem
  * @problem.severity recommendation
  * @precision low

java/ql/src/Violations of Best Practice/legacy/InexactVarArg.java

@@ -7,7 +7,7 @@ class InexactVarArg
 	public static void main(String[] args) {
 		String[] words = { "apple", "banana", "cherry" };
 		String[][] lists = { words, words };
-		length(words);	// wrong: Argument does not clarify
+		length(words);	// avoid: Argument does not clarify
 		length(lists);	// which parameter type is used.
 	}
 }

java/ql/src/Violations of Best Practice/legacy/InexactVarArg.qhelp

@@ -49,7 +49,7 @@ versions of Eclipse, the output may be:</p>
 
 <sample src="InexactVarArg.java" />
 
-<p>To remove this dependency on the compiler, <code>length(words)</code> should be replaced by either of the following:</p>
+<p>To avoid this compiler-dependent behavior, <code>length(words)</code> should be replaced by either of the following:</p>
 
 <ul>
 <li><code>length((Object) words)</code></li>