Improved exception message suggested by feti up on IRC

git-svn-id: https://svn.apache.org/repos/asf/hadoop/hbase/trunk@703218 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/hadoop/hbase/HStoreKey.java

@@ -387,7 +387,7 @@ public class HStoreKey implements WritableComparable {
   throws ColumnNameParseException {
     int index = getFamilyDelimiterIndex(column);
     if (index <= 0) {
-      throw new ColumnNameParseException("No ':' delimiter between " +
+      throw new ColumnNameParseException("Missing ':' delimiter between " +
         "column family and qualifier in the passed column name <" +
         Bytes.toString(column) + ">");
     }