Update docs/concepts/transactions: «Tests A, B» instead of «Tx A, B» (#…

…2537)

Update concepts/transactions.md: «Tests A and B» instead of «Transactions A and B»

docs/docs/concepts/transactions.md

@@ -15,7 +15,7 @@ When a test is executed within a transaction, if it generates any outputs, its o
 
 > :information_source: Outputs generated by steps don't modify the selected [environment](./environments). It only modifies the transaction run context object.
 
-Consider you have 3 tests within a transaction: A, B, and C. Transactions A and B generate outputs called A_OUTPUT and B_OUTPUT, respectively. When running the transaction, we provide an environment which contains a `HOST` environment variable. The execution of test A would only be able to reference `env:HOST`. B would be able to reference `env:HOST`, and `env:A_OUTPUT`. While C would be able to reference all three environment variables: `env:HOST`, `env:A_OUTPUT`, `env:B_OUTPUT`.
+Consider you have 3 tests within a transaction: A, B, and C. Tests A and B generate outputs called A_OUTPUT and B_OUTPUT, respectively. When running the transaction, we provide an environment which contains a `HOST` environment variable. The execution of test A would only be able to reference `env:HOST`. B would be able to reference `env:HOST`, and `env:A_OUTPUT`. While C would be able to reference all three environment variables: `env:HOST`, `env:A_OUTPUT`, `env:B_OUTPUT`.
 
 > :information_source: A single test can contain as many outputs as you like.