Fix some errors in utils.py & calls.py

Change-Id: I9da07469816eef4a1e2a48235437935e38ff3af4

Author: zhangyanxian

bandit/blacklists/calls.py

@@ -251,7 +251,7 @@
 B321: ftplib
 ------------
 
-FTP-related funtions are being called. FTP is considered insecure. Use
+FTP-related functions are being called. FTP is considered insecure. Use
 SSH/SFTP/SCP or some other encrypted protocol.
 
 +------+---------------------+------------------------------------+-----------+
@@ -386,7 +386,7 @@ def gen_blacklist():
 
     sets.append(utils.build_conf_dict(
         'telnetlib', 'B312', ['telnetlib.*'],
-        'Telnet-related funtions are being called. Telnet is considered '
+        'Telnet-related functions are being called. Telnet is considered '
         'insecure. Use SSH or some other encrypted protocol.',
         'HIGH'
         ))
@@ -465,7 +465,7 @@ def gen_blacklist():
 
     sets.append(utils.build_conf_dict(
         'ftplib', 'B321', ['ftplib.*'],
-        'FTP-related funtions are being called. FTP is considered '
+        'FTP-related functions are being called. FTP is considered '
         'insecure. Use SSH/SFTP/SCP or some other encrypted protocol.',
         'HIGH'
         ))

bandit/core/utils.py

@@ -248,7 +248,7 @@ def concat_string(node, stop=None):
     '''Builds a string from a ast.BinOp chain.
 
     This will build a string from a series of ast.Str nodes wrapped in
-    ast.BinOp nodes. Somthing like "a" + "b" + "c" or "a %s" % val etc.
+    ast.BinOp nodes. Something like "a" + "b" + "c" or "a %s" % val etc.
     The provided node can be any participant in the BinOp chain.
 
     :param node: (ast.Str or ast.BinOp) The node to process