fix:minor typos and broken links

Author: vamsi4845

README.md

@@ -24,10 +24,10 @@ If you'd like to add an entry to our [tooling list](http://docs.scroll.xyz/en/de
 ---
 name: "Safe"
 category: ["Identity", "Wallet"]
-excerpt: "Safe allows you to create smart wallet on chain."
+excerpt: "Safe allows you to create a smart wallet on chain."
 logo: { src: "https://app.safe.global/images/safe-logo-green.png", alt: "Safe Logo" }
 website: "https://app.safe.global"
-network: ["Mainnet", "Testnet]
+network: ["Mainnet", "Testnet"]
 noAdditionalInfo: false
 ---
 

src/content/docs/en/developers/guides/estimating-gas-and-tx-fees.mdx

@@ -31,7 +31,7 @@ totalFee = (l2GasPrice * l2GasUsed) + l1Fee
 
 An important distinction we need to make is that `l1Fee` is separated from the `l2Fee`.
 
-For a more comprehensive explanation and details on the formula, check the documentation on [how Transaction Fees work on Scroll](../developers/transaction-fees-on-scroll-l2/).
+For a more comprehensive explanation and details on the formula, check the documentation on [how Transaction Fees work on Scroll](/developers/transaction-fees-on-scroll/).
 
 ## Interfacing with values
 

src/content/tools/en/safe.mdx

@@ -7,7 +7,7 @@ website: "https://app.safe.global"
 network: ["Mainnet", "Testnet"]
 ---
 
-Scroll Mainnet is available in the [official Safe app](app.safe.global), and the transaction service API is at https://safe-transaction-scroll.safe.global. Here are the relevant contracts for Scroll Mainnet:
+Scroll Mainnet is available in the [official Safe app](https://app.safe.global), and the transaction service API is at https://safe-transaction-scroll.safe.global. Here are the relevant contracts for Scroll Mainnet:
 
 - CompatibilityFallbackHandler:	[`0xf48f2B2d2a534e402487b3ee7C18c33Aec0Fe5e4`](https://scrollscan.com/address/0xf48f2B2d2a534e402487b3ee7C18c33Aec0Fe5e4)
 - CreateCall:	[`0x7cbB62EaA69F79e6873cD1ecB2392971036cFAa4`](https://scrollscan.com/address/0x7cbB62EaA69F79e6873cD1ecB2392971036cFAa4)

src/content/tools/en/sentio.mdx

@@ -21,5 +21,5 @@ Best tool to help users understand how a transaction works. It has advanced feat
 
 A state-of-the-art indexing service with integrated user experience:
 
-- Support both [Sentio processor](https://docs.sentio.xyz/docs/processor-basic), a blazing fast data indexer powered by the Sentio SDK that streamlines data ingestion, processing, and storage—all with maximum flexibility in TypeScript, as well as [hosted subgraph processor]((https://docs.sentio.xyz/docs/hosted-subgraph))
+- Support both [Sentio processor](https://docs.sentio.xyz/docs/processor-basic), a blazing fast data indexer powered by the Sentio SDK that streamlines data ingestion, processing, and storage—all with maximum flexibility in TypeScript, as well as [hosted subgraph processor](https://docs.sentio.xyz/docs/hosted-subgraph)
 - Query using SQL/GraphQL and visualize results with an intuitive click-and-drag interface