Fix invalid parameter name in matchRegex example

DOCUMENT.md

@@ -106,7 +106,7 @@ Available assertion types are listed below:
 |----------------|------------|-------------|---------|
 | `equal` | **path**: *string*. The `set` path to assert.<br/>**value**: *any*. The expected value. | Assert the value of specified **path** equal to the **value**. | <pre>equal:<br/>  path: metadata.name<br/>  value: my-deploy</pre> |
 | `notEqual` | **path**: *string*. The `set` path to assert.<br/>**value**: *any*. The value expected not to be. | Assert the value of specified **path** NOT equal to the **value**. | <pre>notEqual:<br/>  path: metadata.name<br/>  value: my-deploy</pre> |
-| `matchRegex` | **path**: *string*. The `set` path to assert, the value must be a *string*. <br/>**pattern**: *string*. The regex pattern to match (without quoting `/`). | Assert the value of specified **path** match **pattern**. | <pre>matchRegex:<br/>  path: metadata.name<br/>  value: -my-chart$</pre> |
+| `matchRegex` | **path**: *string*. The `set` path to assert, the value must be a *string*. <br/>**pattern**: *string*. The regex pattern to match (without quoting `/`). | Assert the value of specified **path** match **pattern**. | <pre>matchRegex:<br/>  path: metadata.name<br/>  pattern: -my-chart$</pre> |
 | `notMatchRegex` | **path**: *string*. The `set` path to assert, the value must be a *string*. <br/>**pattern**: *string*. The regex pattern NOT to match (without quoting `/`). | Assert the value of specified **path** NOT match **pattern**. | <pre>notMatchRegex:<br/>  path: metadata.name<br/>  pattern: -my-chat$</pre> |
 | `contains` | **path**: *string*. The `set` path to assert, the value must be an *array*. <br/>**content**: *any*. The content to be contained. | Assert the array as the value of specified **path** contains the **content**. |<pre>contains:<br/>  path: spec.ports<br/>  content:<br/>    name: web<br/>    port: 80<br/>    targetPort: 80<br/>    protocle:TCP</pre> |
 | `notContains` | **path**: *string*. The `set` path to assert, the value must be an *array*. <br/>**content**: *any*. The content NOT to be contained. | Assert the array as the value of specified **path** NOT contains the **content**. |<pre>notContains:<br/>  path: spec.ports<br/>  content:<br/>    name: server<br/>    port: 80<br/>    targetPort: 80<br/>    protocle: TCP</pre> |