Fix language typos.

Closes #602.

Also-by: 陳傑夫 <[email protected]>

src/paho/mqtt/client.py

@@ -1859,11 +1859,11 @@ def on_connect(self, func):
  flags: response flags sent by the broker
  rc: the connection result
  reasonCode: the MQTT v5.0 reason code: an instance of the ReasonCode class.
- ReasonCode may be compared to interger.
+ ReasonCode may be compared to integer.
  properties: the MQTT v5.0 properties returned from the broker. An instance
  of the Properties class.
  For MQTT v3.1 and v3.1.1 properties is not provided but for compatibility
- with MQTT v5.0, we recommand adding properties=None.
+ with MQTT v5.0, we recommend adding properties=None.
 
  flags is a dict that contains response flags from the broker:
  flags['session present'] - this flag is useful for clients that are
@@ -1931,7 +1931,7 @@ def on_subscribe(self):
 
  @on_subscribe.setter
  def on_subscribe(self, func):
- """ Define the suscribe callback implementation.
+ """ Define the subscribe callback implementation.
 
  Expected signature for MQTT v3.1.1 and v3.1 is:
  subscribe_callback(client, userdata, mid, granted_qos)