Update impl/README.md

Co-authored-by: Ricardo Zanini <1538000+ricardozanini@users.noreply.github.com>

Author: fjtirado

impl/README.md

@@ -116,7 +116,7 @@ try (WorkflowApplication appl = WorkflowApplication.builder().build()) {
 ```
 You can find the complete java code [here](../examples/simpleGet/src/main/java/BlockingExample.java)
 
-In order to execute the workflow, without blocking the calling thread till the http request is completed, you should write
+In order to execute the workflow without blocking the calling thread till the HTTP request is completed, you should write
 
 ``` java 
   try (WorkflowApplication appl = WorkflowApplication.builder().build()) {