Update qldoc

Author: luchua-bc

java/ql/src/experimental/Security/CWE/CWE-326/InsufficientKeySize.java

@@ -25,12 +25,12 @@ public void CryptoMethod() {
         keyPairGen4.initialize(2048);
 
         KeyPairGenerator keyPairGen5 = KeyPairGenerator.getInstance("EC");
-        // BAD: Key size is less than 224
+        // BAD: Key size is less than 256
         ECGenParameterSpec ecSpec1 = new ECGenParameterSpec("secp112r1");
         keyPairGen5.initialize(ecSpec1);
 
         KeyPairGenerator keyPairGen6 = KeyPairGenerator.getInstance("EC");
-        // GOOD: Key size is no less than 224
+        // GOOD: Key size is no less than 256
         ECGenParameterSpec ecSpec2 = new ECGenParameterSpec("secp256r1");
         keyPairGen6.initialize(ecSpec2);
     }

java/ql/src/semmle/code/java/security/Encryption.qll

@@ -315,7 +315,7 @@ class JavaSecuritySignature extends JavaSecurityAlgoSpec {
   override Expr getAlgoSpec() { result = this.(ConstructorCall).getArgument(0) }
 }
 
-/** Method call to the Java class `java.security.KeyPairGenerator`. */
+/** A method call to the Java class `java.security.KeyPairGenerator`. */
 class JavaSecurityKeyPairGenerator extends JavaxCryptoAlgoSpec {
   JavaSecurityKeyPairGenerator() {
     exists(Method m | m.getAReference() = this |