Fix Javadoc typos. Shout-out to @sempf for spotting most of these.

Author: kwwall

src/main/java/org/owasp/esapi/Encoder.java

@@ -157,7 +157,7 @@
  * to the W3C HTML specications)&em;the various {@code Codec} implemtations can offer
  * NO GUARANTEE of safety of the content being encoded or decoded. Therefore,
  * it is highly advised to practice a security-in-depth approach for everything you do.
- * By following that advise, you will minimize the impact and/or likelihood of any
+ * By following that advice, you will minimize the impact and/or likelihood of any
  * vulnerabilities from bugs in the ESAPI code or accidental misuse of the ESAPI
  * library on your part. In particular, whenever there are cases where cients use
  * any of these {@link org.owasp.esapi.codecs.Codec} classes drectly, it is highly

src/main/java/org/owasp/esapi/codecs/DB2Codec.java

@@ -16,11 +16,11 @@
 /**
  * Implementation of the Codec interface for IBM Db2 strings.
  * This function will only protect you from SQLi in limited situations.
- * To improve your changces of success, you made also need to do some
+ * To improve your chances of success, you made also need to do some
  * additional canonicalization and input validation first. Before using this class,
- * pleaes be sure to read the "SECURITY WARNING" in
+ * please be sure to read the "SECURITY WARNING" in
  * {@link org.owasp.esapi.Encoder#encodeForSQL}
- * before using this particular {@link org.owasp.esapi.codecs.Codec} and raising your hope of find
+ * before using this particular {@link org.owasp.esapi.codecs.Codec} and raising your hope of finding
  * a silver bullet to kill all the SQLi werewolves.
  *
  * @author Sivasankar Tanakala (stanakal@TRS.NYC.NY.US)

src/main/java/org/owasp/esapi/codecs/MySQLCodec.java

@@ -20,11 +20,11 @@
 /**
  * Codec implementation which can be used to escape string literals in MySQL.
  * This function will only protect you from SQLi in limited situations.
- * To improve your changces of success, you made also need to do some
+ * To improve your chances of success, you made also need to do some
  * additional canonicalization and input validation first. Before using this class,
- * pleaes be sure to read the "SECURITY WARNING" in
+ * please be sure to read the "SECURITY WARNING" in
  * {@link org.owasp.esapi.Encoder#encodeForSQL}
- * before using this particular {@link org.owasp.esapi.codecs.Codec} and raising your hope of find
+ * before using this particular {@link org.owasp.esapi.codecs.Codec} and raising your hope of finding
  * a silver bullet to kill all the SQLi werewolves.
  * </p><p>
  * This implementation accepts 2 {@code org.owasp.esapi.codes.MySQLCodec.Mode}s as identified

src/main/java/org/owasp/esapi/codecs/OracleCodec.java

@@ -20,11 +20,11 @@
 /**
  * Implementation of the {@link org.owasp.esapi.codecs.Codec} interface for Oracle DB strings. 
  * This function will only protect you from SQLi in limited situations.
- * To improve your changces of success, you made also need to do some
+ * To improve your chances of success, you made also need to do some
  * additional canonicalization and input validation first. Before using this class,
- * pleaes be sure to read the "SECURITY WARNING" in
+ * please be sure to read the "SECURITY WARNING" in
  * {@link org.owasp.esapi.Encoder#encodeForSQL}
- * before using this particular {@link org.owasp.esapi.codecs.Codec} and raising your hope of find
+ * before using this particular {@link org.owasp.esapi.codecs.Codec} and raising your hope of finding
  * a silver bullet to kill all the SQLi werewolves.
  *
  * @see <a href="http://oraqa.com/2006/03/20/how-to-escape-single-quotes-in-strings/">how-to-escape-single-quotes-in-strings</a>