docs(README): Avoid ambiguity in the unit of EX flags

Closes #1736

README.md

@@ -304,11 +304,11 @@ listenForMessage();
 
 ## Expiration
 
-Redis can set a timeout to expire your key, after the timeout has expired the key will be automatically deleted. (You can find the [official Expire documentation](https://redis.io/commands/expire/) to understand better the different parameters you can use), to set your key to expire in 1000 seconds, we will have the following code:
+Redis can set a timeout to expire your key, after the timeout has expired the key will be automatically deleted. (You can find the [official Expire documentation](https://redis.io/commands/expire/) to understand better the different parameters you can use), to set your key to expire in 60 seconds, we will have the following code:
 
 ```javascript
-redis.set("key", "data", "EX", 1000);
-// Equivalent to redis command "SET key data EX 1000", because on ioredis set method, 
+redis.set("key", "data", "EX", 60);
+// Equivalent to redis command "SET key data EX 60", because on ioredis set method,
 // all arguments are passed directly to the redis server.
 ```
 
@@ -898,8 +898,8 @@ If you do not want to use a connection string, you can also specify an empty `tl
 
 ```javascript
 const redis = new Redis({
-  host: 'redis.my-service.com',
-  tls: {}
+  host: "redis.my-service.com",
+  tls: {},
 });
 ```