[FLINK-18457][docs] Fix invalid links in "Detecting Patterns" page of "Streaming Concepts"

Author: RocMarshal

docs/dev/table/streaming/match_recognize.md

@@ -1038,7 +1038,7 @@ use [time attributes](time_attributes.html). To select those there are available
       <td><p>Returns the timestamp of the last row that was mapped to the given pattern.</p>
       <p>The resulting attribute is a <a href="time_attributes.html">rowtime attribute</a>
          that can be used in subsequent time-based operations such as
-         <a href="#joins">interval joins</a> and <a href="#aggregations">group window or over
+         <a href="joins.html#interval-joins">interval joins</a> and <a href="#aggregations">group window or over
          window aggregations</a>.</p></td>
     </tr>
     <tr>
@@ -1047,7 +1047,7 @@ use [time attributes](time_attributes.html). To select those there are available
       </td>
       <td><p>Returns a <a href="time_attributes.html#processing-time">proctime attribute</a>
           that can be used in subsequent time-based operations such as
-          <a href="#joins">interval joins</a> and <a href="#aggregations">group window or over
+          <a href="joins.html#interval-joins">interval joins</a> and <a href="#aggregations">group window or over
           window aggregations</a>.</p></td>
     </tr>
   </tbody>