Polishing.

Tweak wording.

See spring-projects#2865
Original pull request: spring-projects#2870

Author: mp911de

src/main/antora/modules/ROOT/pages/redis/transactions.adoc

@@ -25,9 +25,8 @@ System.out.println("Number of items added to set: " + txResults.get(0));
 `RedisTemplate` uses its value, hash key, and hash value serializers to deserialize all results of `exec` before returning.
 There is an additional `exec` method that lets you pass a custom serializer for transaction results.
 
-It is worth mentioning that if between the commands multi() and exec() a query timeout exception happens (e.g. in case
-Redis is not available to respond fast) then the connection may get stuck in a transactional state. To prevent
-such situation you have to control the transaction state:
+It is worth mentioning that in case between `multi()` and `exec()` an exception happens (e.g. a timeout exception in case Redis does not respond within the timeout) then the connection may get stuck in a transactional state.
+To prevent such a situation need have to discard the transactional state to clear the connection:
 
 [source,java]
 ----
@@ -40,11 +39,9 @@ List<Object> txResults = redisOperations.execute(new SessionCallback<List<Object
 
       // This will contain the results of all operations in the transaction
       return operations.exec();
-    } finally{
-      if (transactionStateIsActive) {
-        LOG.error("Transaction state is active");
+    } catch (RuntimeException e) {
 	    operations.discard();
-      }
+		throw e;
     }
   }
 });