Merge pull request #1526 from HanzCEO/patch-4

Fixed 2 typos on interop explainer

Author: krofax

pages/stack/interop/explainer.mdx

@@ -166,7 +166,7 @@ If a sequencer chooses to accept unsafe messages, the sequencer must trust the s
 
 Notably this trust assumption is only for *unsafe* blocks, and *only* if the sequencer allows messages from unsafe blocks to be processed.
 
-In Superchain interop, [the traditional safe level](https://docs.optimism.io/stack/transactions/transaction-finality#steps-to-finality) of is divided into two types of safety.
+In Superchain interop, [the traditional safe level](https://docs.optimism.io/stack/transactions/transaction-finality#steps-to-finality) of a block is divided into two types of safety.
 A block is *local safe* once it is written to L1.
 But it is only *cross safe* when in addition to the block itself all of the blocks on which it depends (directly or indirectly) are written to L1, including the dependencies of previous blocks in the same chain.
 
@@ -193,7 +193,7 @@ flowchart LR
 ```
 
 For example, in the illustration above, the dependency set of chain B is chains A and C.
-To move an asset from chain E to chain B, it is necessary to move the asset from chain E to chain A, and then from chain A to chain C, because there is no direct dependency between B and E.
+To move an asset from chain E to chain B, it is necessary to move the asset from chain E to chain A, and then from chain A to chain B, because there is no direct dependency between B and E.
 
 ### Superchain interop cluster