Merge pull request ondryaso#22 from LudwigKnuepfer/pr/typos

Fix some typos

Author: ondryaso

README.md

@@ -43,7 +43,7 @@ __NOTE:__ For RPi A+/B+/2/3 with 40 pin connector, SPI1/2 is available on top of
 The library is split to two classes - **RFID** and **RFIDUtil**. You can use only RFID, RFIDUtil just makes life a little bit better.
 You basically want to start with *while True* loop and "poll" the tag state. That's done using *request* method. Most of the methods
 return error state, which is simple boolean - True is error, False is not error. The *request* method returns True if tag is **not**
-present. If request is successful, you should call *anticoll* method. It runs anti-collision alghoritms and returns used tag UID, which
+present. If request is successful, you should call *anticoll* method. It runs anti-collision algorithms and returns used tag UID, which
 you'll use for *select_tag* method. Now you can do whatever you want. Important methods are documented. You can also look at the Read and KeyChange examples for RFIDUtil usage.
 
 ```python

pirc522/__init__.py

@@ -282,7 +282,7 @@ def stop_crypto(self):
         self.authed = False
 
     def halt(self):
-        """Swich state to HALT"""
+        """Switch state to HALT"""
 
         buf = []
         buf.append(self.act_end)
@@ -361,4 +361,4 @@ def util(self):
             from .util import RFIDUtil
             return RFIDUtil(self)
         except ImportError:
-            return None
+            return None

pirc522/util.py

@@ -19,7 +19,7 @@ def block_addr(self, sector, block):
 
     def sector_string(self, block_address):
         """
-        Returns sector and it's block representation of block address, eg.
+        Returns sector and it's block representation of block address, e.g.
         S01B03 for sector trailer in second sector.
         """
         return "S" + str((block_address - (block_address % 4)) / 4) + "B" + str(block_address % 4)