Update build-data.md (#5464)

* Update build-data.md * Update build-data.md * grammar check --------- Co-authored-by: filippoweb3 <[email protected]>
w3f · Jan 10, 2024 · 6bf8dd9 · 6bf8dd9
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diff --git a/docs/build/build-data.md b/docs/build/build-data.md
@@ -11,7 +11,7 @@ The tools that accentuate and aggregate the data within blockchains are integral
 future. Parachains will need robust and secure ways to index and aggregate data, such as a data
 aggregation layer.
 
-## Indexing and Querying
+## Custom Indexer
 
 ### Subsquid
 
@@ -21,7 +21,7 @@ query Substrate chain state and history.
 Subsquid replaces direct gRPC node access with performant Squid archive gateways, allowing quick
 synchronization of the API with the historical on-chain data.
 
-Subsquid-powered APIs support filtering, pagination, union types, interfaces and full-text search
+Subsquid-powered APIs support filtering, pagination, union types, interfaces, and full-text search
 out-of-the-box, and can be further extended with custom GraphQL resolvers.
 
 ### SubQuery
@@ -33,14 +33,25 @@ fully-featured indexer, so you don’t have to, with:
 - automatic support for any Substrate network
 - support for all Polkadot smart contract frameworks (FrontierEVM, Acala EVM+, and Wasm)
 - automated historical state tracking to enable faster partial re-indexing
-- a lightweight and portable design that doesn't require centralised archives
+- a lightweight and portable design that doesn't require centralized archives
 - full support for GraphQL filtering, pagination, interfaces, subscriptions, and aggregations
 - a future decentralized network acts as chain-agnostic data aggregation, indexing, and querying
-  layer between blockchains and applications that will not require centralised services.
+  layer between blockchains and applications that will not require centralized services.
 
 To start building, head to the [SubQuery documentation](https://academy.subquery.network/) where
 you'll find quick start guides and walkthrough developer tutorials.
 
+### The Graph
+
+[The Graph](https://thegraph.com/en/) is a layer-1 indexing tool and querying layer for the
+decentralized web, who announced an integration plan to bring
+[indexing and querying to Polkadot](https://medium.com/polkadot-network/the-graph-bringing-indexing-and-querying-to-polkadot-6b433e381fe8).
+
+The Graph allows developers to build and publish open APIs, called subgraphs. Applications can query
+subgraphs using [GraphQL](https://graphql.org/).
+
+## Analytics platform
+
 ### Dolpha Analytics
 
 [Dolpha Analytics](https://dolpha.com/) is an on-chain data analytics and insights platform for the
@@ -52,34 +63,27 @@ ecosystems, perform due diligence, surface signals, and make informed data-drive
 [Web3GO](https://web3go.xyz/) is a Polkadot-based open data analytics platform that provides
 infrastructure and tooling to help users visualize, curate, share, and analyze on-chain data.
 
-### The Graph
-
-[The Graph](https://thegraph.com/en/) is a layer-1 indexing tool and querying layer for the
-decentralized web, who announced an integration plan to bring
-[indexing and querying to Polkadot](https://medium.com/polkadot-network/the-graph-bringing-indexing-and-querying-to-polkadot-6b433e381fe8).
-
-The Graph allows developers to build and publish open APIs, called subgraphs. Applications can query
-subgraphs using [GraphQL](https://graphql.org/).
-
 ### Covalent
 
 [Covalent](https://www.covalenthq.com/) offers a unified API to understand the data on a blockchain,
 and is currently live on the [Moonbeam](https://moonbeam.network/) network, bringing visibility to
-billions of blockchain data points to Polkadot via their unified API. The approach to deploy on
+billions of blockchain data points to Polkadot via their unified API. The approach to deploying on
 Moonbeam simplifies the development of Polkadot-based blockchain applications as compared to
 implementing a full parachain or parathread.
 
 Covalent captures the entire history of blockchains and offers a way to zoom into data points
 recorded in smart contracts that are often not accessible.
 
+## Data warehouse
+
 ### BigQuery by Google Cloud
 
 [BigQuery](https://cloud.google.com/bigquery) makes Polkadot blockchain data available for Google
 Cloud users. Check this
 [announcement](https://cloud.google.com/blog/products/data-analytics/data-for-11-more-blockchains-in-bigquery-public-datasets)
 for details on how to access the data.
 
-### Polkadot-based Explorers
+## Block Explorers
 
 As you can imagine, blockchain explorers also offer data analytics through an interface where users
 can examine common data points.

diff --git a/docs/maintain/maintain-guides-how-to-validate-polkadot.md b/docs/maintain/maintain-guides-how-to-validate-polkadot.md
@@ -54,10 +54,10 @@ You can have a rough estimate on that by using the methods listed
 [here](../general/faq.md/#what-is-the-minimum-stake-necessary-to-be-elected-as-an-active-validator).
 To be elected into the set, you need a minimum stake behind your validator. This stake can come from
 yourself or from [nominators](../learn/learn-nominator.md). This means that as a minimum, you will
-need enough DOT to set up stash (and optionally a staking [proxy account](../learn/learn-proxies.md)) with
-the existential deposit, plus a little extra for transaction fees. The rest can come from
-nominators. To understand how validators are elected, check the
-[NPoS Election algorithms](../learn/learn-phragmen.md) page.
+need enough DOT to set up stash (and optionally a staking
+[proxy account](../learn/learn-proxies.md)) with the existential deposit, plus a little extra for
+transaction fees. The rest can come from nominators. To understand how validators are elected, check
+the [NPoS Election algorithms](../learn/learn-phragmen.md) page.
 
 :::info On-Chain Data for Reference