Nit: fix typo in javadoc

js/rhino/src/org/mozilla/javascript/NativeFunction.java

@@ -132,14 +132,14 @@ public abstract class NativeFunction extends BaseFunction
     /**
      * Get parameter or variable name.
      * If <tt>index < {@link #getParamCount()}</tt>, then return the name of the
-     * corresponding parameter. Otherwise returm the name of variable.
+     * corresponding parameter. Otherwise return the name of variable.
      */
     protected abstract String getParamOrVarName(int index);
 
     /**
      * Get parameter or variable const-ness.
      * If <tt>index < {@link #getParamCount()}</tt>, then return the const-ness
-     * of the corresponding parameter. Otherwise returm whether the variable is
+     * of the corresponding parameter. Otherwise return whether the variable is
      * const.
      */
     protected abstract boolean getParamOrVarConst(int index);