update yeri to actual released version

README.md

@@ -65,7 +65,7 @@ Error graph configuration attributes go in the same `netgraph` element. They are
 
 ## Tooltip CSS
 
-The floating tooltip is styled by with CSS at the top of [netgraph.ts](./src/netgraph.ts). This CSS is prepended to the document. Any CSS you add to your page should override these defaults.
+The floating tooltip is styled by with CSS at the top of [netgraph.ts](./src/netgraph.ts). This CSS is prepended to the document. Any CSS you add to your page will override these defaults.
 
 
 ## License

package.json

@@ -15,10 +15,7 @@
     "lib"
   ],
   "devDependencies": {
-    "@types/mocha": "^7.0.2",
     "@types/node": "^14.0.6",
-    "mocha": "^7.2.0",
-    "should": "^13.2.3",
     "source-map-support": "^0.5.19",
     "ts-loader": "^8.1.0",
     "typescript": "^4.2.3",
@@ -29,7 +26,10 @@
     "build": "mkdir -p dist && cp -a public/* dist/ && webpack-cli",
     "clean": "rm -rf lib dist",
     "distclean": "npm run clean && rm -rf node_modules npm-debug.log",
-    "prepublish": "npm run build",
+    "prepare": "npm run build",
     "test": "echo there are no tests."
+  },
+  "dependencies": {
+    "yeri": "^0.8.1"
   }
 }