fix: comments on package.json

Author: markwolff

examples/redis/package.json

@@ -18,7 +18,7 @@
   },
   "keywords": [
     "opentelemetry",
-    "http",
+    "redis",
     "tracing"
   ],
   "engines": {
@@ -46,4 +46,4 @@
   "devDependencies": {
     "cross-env": "^6.0.0"
   }
-}
+}