Minor readme fixes

acyclic-visitor/README.md

@@ -101,7 +101,7 @@ public class ConfigureForUnixVisitor implements ZoomVisitor {
 }
 ```
 
-Finally here are the visitors in action.
+Finally, here are the visitors in action.
 
 ```java
     var conUnix = new ConfigureForUnixVisitor();

adapter/README.md

@@ -12,9 +12,8 @@ tags:
 Wrapper
 
 ## Intent
-Convert the interface of a class into another interface the clients
-expect. Adapter lets classes work together that couldn't otherwise because of
-incompatible interfaces.
+Convert the interface of a class into another interface the clients expect. Adapter lets classes work together that 
+couldn't otherwise because of incompatible interfaces.
 
 ## Explanation
 

aggregator-microservices/README.md

@@ -17,7 +17,7 @@ The user makes a single call to the aggregator service, and the aggregator then
 Real world example
 
 > Our web marketplace needs information about products and their current inventory. It makes a call to an aggregator
-> service that in turn calls the product information microservice and product inventory microservice returning the
+> service which in turn calls the product information microservice and product inventory microservice returning the
 > combined information. 
 
 In plain words
@@ -41,7 +41,7 @@ public class Product {
 }
 ```
 
-Next we can introduct our `Aggregator` microservice. It contains clients `ProductInformationClient` and
+Next we can introduce our `Aggregator` microservice. It contains clients `ProductInformationClient` and
 `ProductInventoryClient` for calling respective microservices.
 
 ```java