Some API spec fixed

Author: LostLuma

echo/openapi.json

@@ -64,7 +64,18 @@
             }
           },
           "400": {
-            "description": "The body data was malformed or incorrect.",
+            "description": "Request body malformed or incorrect.",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "type": "object",
+                  "$ref": "#/components/schemas/ErrorResponse"
+                }
+              }
+            }
+          },
+          "422": {
+            "description": "Request body contained semantic errors.",
             "content": {
               "application/json": {
                 "schema": {
@@ -144,7 +155,7 @@
         }
       ],
       "get": {
-        "summary": "Security Token Info.",
+        "summary": "Security Token Info",
         "description": "View which Paste a particular security token is associated with.",
         "operationId": "security-info",
         "tags": ["Security"],
@@ -172,7 +183,7 @@
         }
       },
       "delete": {
-        "summary": "Delete Paste with Security Token.",
+        "summary": "Delete Paste with Security Token",
         "description": "Delete the Paste associated with this security token.",
         "operationId": "security-delete",
         "tags": ["Security"],
@@ -417,11 +428,18 @@
       "ErrorResponse": {
         "title": "ErrorResponse",
         "type": "object",
+        "description": "Generic response when something went wrong.",
         "properties": {
           "message": {
-            "type": "string"
+            "type": "string",
+            "description": "The error message."
+          },
+          "errors": {
+            "type": "object",
+            "description": "Detailed information on the error. May not be present."
           }
-        }
+        },
+        "required": ["message"]
       }
     }
   }