Fix typos.

schema.json

@@ -131,7 +131,7 @@
             }
           ],
           "default": null,
-          "description": "Extented description of the package or a file (usually a README).",
+          "description": "Extended description of the package or a file (usually a README).",
           "title": "Description"
         },
         "prelink_message": {
@@ -977,7 +977,7 @@
             }
           ],
           "default": true,
-          "description": "Wether to relocate binaries or not. If this is a list of paths then only the listed paths are relocated",
+          "description": "Whether to relocate binaries or not. If this is a list of paths then only the listed paths are relocated",
           "title": "Binary Relocation"
         },
         "missing_dso_allowlist": {
@@ -2950,7 +2950,7 @@
             }
           ],
           "default": false,
-          "description": "Wether to detect binary files with prefix or not",
+          "description": "Whether to detect binary files with prefix or not",
           "title": "Ignore Binary Files"
         }
       },