fix typos in comments

src/main/java/org/apache/commons/lang3/text/StrBuilder.java

@@ -1194,7 +1194,7 @@ public class StrBuilder implements CharSequence, Appendable, Serializable, Build
     public <T> StrBuilder appendAll(@SuppressWarnings("unchecked") final T... array) {
         /*
          * @SuppressWarnings used to hide warning about vararg usage. We cannot
-         * use @SafeVarargs, since this method is not final. Using @SupressWarnings
+         * use @SafeVarargs, since this method is not final. Using @SuppressWarnings
          * is fine, because it isn't inherited by subclasses, so each subclass must
          * vouch for itself whether its use of 'array' is safe.
          */

src/main/java/org/apache/commons/lang3/text/StrTokenizer.java

@@ -853,7 +853,7 @@ public class StrTokenizer implements ListIterator<String>, Cloneable {
     /**
      * Sets the field delimiter matcher.
      * <p>
-     * The delimitier is used to separate one token from another.
+     * The delimiter is used to separate one token from another.
      *
      * @param delim  the delimiter matcher to use
      * @return this, to enable chaining