Connect subgraph edits (#534)

* Fixing links & reference to "Subraph" node

* Improved grammar

docs/subquery_network/node_operators/indexers/connect-subgraph.md

@@ -1,6 +1,6 @@
 # Connect your Subgraph deployment
 
-Node Operators can run either SubQuery SDK Data Indexing projects, RPC projects, or Subgraphs (or both). If you instead want to sync a SubQuery SDK Data Indexing project, please follow the instructions [here](../index-project.md).
+Node Operators can run SubQuery SDK Data Indexing projects, RPC projects, and Subgraphs. If you instead want to sync a SubQuery SDK Data Indexing project, please follow the instructions [here](./index-project.md).
 
 :::info Connect any Subgraph
 The SubQuery Network does not control how you run the underlying Graph node, only that you connect a Subgraph endpoint that is able to reliably consume queries.
@@ -10,7 +10,7 @@ This means you can connect existing Subgraph deployments used for other purposes
 
 ## Prerequisites
 
-This guide assumes you are already running a Subgraph node that is internally available to the indexer proxy service, and which has the chosen deployment running. You can read more about how to operate a Subgraph node following the [official documentation](https://thegraph.com/docs/en/operating-graph-node/) by The Graph.
+This guide assumes you are already running a Graph node that is internally available to the indexer proxy service, and which has the chosen deployment running. You can read more about how to operate a Graph node following the [official documentation](https://thegraph.com/docs/en/operating-graph-node/) by The Graph.
 
 ## 1. Add Project