Fix javadoc.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1551360 13f79535-47bb-0310-9956-ffa450edef68

src/main/java/org/apache/commons/math3/optim/linear/SimplexTableau.java

@@ -453,10 +453,10 @@ class SimplexTableau implements Serializable {
     }
 
     /**
-     * Subtracts a multiple of one row from another.
+     * Divides one row by a given divisor.
      * <p>
      * After application of this operation, the following will hold:
-     * <pre>minuendRow = minuendRow - multiple * subtrahendRow</pre>
+     * <pre>dividendRow = dividendRow / divisor</pre>
      *
      * @param dividendRow index of the row
      * @param divisor value of the divisor