Fix typos in examples (#1537)

examples/deeplinking.py

@@ -30,7 +30,7 @@
 
 logger = logging.getLogger(__name__)
 
-# Define constants the will allow us to reuse the deep-linking parameters.
+# Define constants that will allow us to reuse the deep-linking parameters.
 CHECK_THIS_OUT = 'check-this-out'
 USING_ENTITIES = 'using-entities-here'
 SO_COOL = 'so-cool'

examples/echobot2.py

@@ -26,8 +26,8 @@
 logger = logging.getLogger(__name__)
 
 
-# Define a few command handlers. These usually take the two arguments bot and
-# update. Error handlers also receive the raised TelegramError object in error.
+# Define a few command handlers. These usually take the two arguments update and
+# context. Error handlers also receive the raised TelegramError object in error.
 def start(update, context):
     """Send a message when the command /start is issued."""
     update.message.reply_text('Hi!')

examples/inlinebot.py

@@ -27,8 +27,8 @@
 logger = logging.getLogger(__name__)
 
 
-# Define a few command handlers. These usually take the two arguments bot and
-# update. Error handlers also receive the raised TelegramError object in error.
+# Define a few command handlers. These usually take the two arguments update and
+# context. Error handlers also receive the raised TelegramError object in error.
 def start(update, context):
     """Send a message when the command /start is issued."""
     update.message.reply_text('Hi!')

examples/inlinekeyboard2.py

@@ -36,7 +36,7 @@ def start(update, context):
     # Build InlineKeyboard where each button has a displayed text
     # and a string as callback_data
     # The keyboard is a list of button rows, where each row is in turn
-    # a list (henc `[[...]]`).
+    # a list (hence `[[...]]`).
     keyboard = [
         [InlineKeyboardButton("1", callback_data=str(ONE)),
          InlineKeyboardButton("2", callback_data=str(TWO))]
@@ -47,7 +47,7 @@ def start(update, context):
         "Start handler, Choose a route",
         reply_markup=reply_markup
     )
-    # Tell CosversationHandler that we're in State `FIRST` now
+    # Tell ConversationHandler that we're in state `FIRST` now
     return FIRST
 
 
@@ -173,7 +173,7 @@ def main():
     dp = updater.dispatcher
 
     # Setup conversation handler with the states FIRST and SECOND
-    # Use the pattern parameter to pass CallbackQueryies with specific
+    # Use the pattern parameter to pass CallbackQueries with specific
     # data pattern to the corresponding handlers.
     # ^ means "start of line/string"
     # $ means "end of line/string"
@@ -191,7 +191,7 @@ def main():
         fallbacks=[CommandHandler('start', start)]
     )
 
-    # Add conversationhandler to dispatcher it will be used for handling
+    # Add ConversationHandler to dispatcher that will be used for handling
     # updates
     dp.add_handler(conv_handler)
 

examples/paymentbot.py

@@ -103,9 +103,9 @@ def precheckout_callback(update, context):
         query.answer(ok=True)
 
 
-# finally, after contacting to the payment provider...
+# finally, after contacting the payment provider...
 def successful_payment_callback(update, context):
-    # do something after successful receive of payment?
+    # do something after successfully receiving payment?
     update.message.reply_text("Thank you for your payment!")
 
 

examples/timerbot.py

@@ -29,8 +29,8 @@
 logger = logging.getLogger(__name__)
 
 
-# Define a few command handlers. These usually take the two arguments bot and
-# update. Error handlers also receive the raised TelegramError object in error.
+# Define a few command handlers. These usually take the two arguments update and
+# context. Error handlers also receive the raised TelegramError object in error.
 def start(update, context):
     update.message.reply_text('Hi! Use /set <seconds> to set a timer')