YARN-8288. Fix wrong number of table columns in Resource Model doc. Contributed by Weiwei Yang.

(cherry picked from commit 8a2b5914f3a68148f40f99105acf5dafcc326e89)

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/markdown/ResourceModel.md

@@ -34,20 +34,20 @@ The following configuration properties are supported. See below for details.
 
 `resource-types.xml`
 
-| Configuration Property | Value | Description |
-|:---- |:---- |:---- |
+| Configuration Property | Description |
+|:---- |:---- |
 | `yarn.resource-types` | Comma-separated list of additional resources. May not include `memory`, `memory-mb`, or `vcores` |
 | `yarn.resource-types.<resource>.units` | Default unit for the specified resource type |
 | `yarn.resource-types.<resource>.minimum` | The minimum request for the specified resource type |
 | `yarn.resource-types.<resource>.maximum` | The maximum request for the specified resource type |
 
-`node­-resources.xml`
+`node-resources.xml`
 
-| Configuration Property | Value | Description |
-|:---- |:---- |:---- |
+| Configuration Property | Description |
+|:---- |:---- |
 | `yarn.nodemanager.resource-type.<resource>` | The count of the specified resource available from the node manager |
 
-Please note that the `resource-types.xml` and `node­-resources.xml` files
+Please note that the `resource-types.xml` and `node-resources.xml` files
 also need to be placed in the same configuration directory as `yarn-site.xml` if
 they are used. Alternatively, the properties may be placed into the
 `yarn-site.xml` file instead.