install @openzeppelin/docs-utils

package.json

@@ -45,6 +45,7 @@
   "homepage": "https://openzeppelin.com/contracts/",
   "devDependencies": {
     "@openzeppelin/cli": "^2.7.1",
+    "@openzeppelin/docs-utils": "^0.1.0",
     "@openzeppelin/gsn-helpers": "^0.2.3",
     "@openzeppelin/gsn-provider": "^0.1.9",
     "@openzeppelin/test-environment": "^0.1.3",
@@ -62,7 +63,6 @@
     "lodash.startcase": "^4.4.0",
     "micromatch": "^4.0.2",
     "mocha": "^7.1.0",
-    "openzeppelin-docs-utils": "github:OpenZeppelin/docs-utils",
     "solhint": "^3.0.0-rc.3",
     "solidity-coverage": "github:rotcivegaf/solidity-coverage#5875f5b7bc74d447f3312c9c0e9fc7814b482477",
     "solidity-docgen": "^0.3.14"