punctuation fix (#3397)

same as #3375

versions/3.0.4.md

@@ -743,8 +743,8 @@ The path itself is still exposed to the documentation viewer but they will not k
 Field Name | Type | Description
 ---|:---:|---
 <a name="pathItemRef"></a>$ref | `string` | Allows for an external definition of this path item. The referenced structure MUST be in the format of a [Path Item Object](#pathItemObject).  In case a Path Item Object field appears both in the defined object and the referenced object, the behavior is undefined.
-<a name="pathItemSummary"></a>summary| `string` | An optional, string summary, intended to apply to all operations in this path.
-<a name="pathItemDescription"></a>description | `string` | An optional, string description, intended to apply to all operations in this path. [CommonMark syntax](https://spec.commonmark.org/) MAY be used for rich text representation.
+<a name="pathItemSummary"></a>summary| `string` | An optional string summary, intended to apply to all operations in this path.
+<a name="pathItemDescription"></a>description | `string` | An optional string description, intended to apply to all operations in this path. [CommonMark syntax](https://spec.commonmark.org/) MAY be used for rich text representation.
 <a name="pathItemGet"></a>get | [Operation Object](#operationObject) | A definition of a GET operation on this path.
 <a name="pathItemPut"></a>put | [Operation Object](#operationObject) | A definition of a PUT operation on this path.
 <a name="pathItemPost"></a>post | [Operation Object](#operationObject) | A definition of a POST operation on this path.