Fix minor typos in the code

bin/cqlsh.py

@@ -212,7 +212,7 @@ def find_zip(libprefix):
                        'by default the highest version supported by the server will be used.'
                        ' Examples: "3.0.3", "3.1.0"')
 parser.add_option("--protocol-version", type="int", default=None,
-                  help='Specify a specific protcol version otherwise the client will default and downgrade as necessary')
+                  help='Specify a specific protocol version otherwise the client will default and downgrade as necessary')
 
 parser.add_option("-e", "--execute", help='Execute the statement and quit.')
 parser.add_option("--connect-timeout", default=DEFAULT_CONNECT_TIMEOUT_SECONDS, dest='connect_timeout',

install.sh

@@ -26,7 +26,7 @@ Options:
   --root /path/to/root     alternative install root (default /)
   --prefix /prefix         directory prefix (default /usr)
   --etcdir /etc            specify etc directory path (default /etc)
-  --nonroot                install Scylla without required root priviledge
+  --nonroot                install Scylla without required root privilege
   --help                   this helpful message
 EOF
     exit 1

pylib/cqlshlib/copyutil.py

@@ -2243,7 +2243,7 @@ def __init__(self, ks, hostname, local_dc, session):
 
         self._initialize_ring()
 
-        # Note that refresh metadata is disabled by default and we currenlty do not intercept it
+        # Note that refresh metadata is disabled by default and we currently do not intercept it
         # If hosts are added, removed or moved during a COPY operation our token map is no longer optimal
         # However we can cope with hosts going down and up since we filter for replicas that are up when
         # making each batch

pylib/cqlshlib/pylexotron.py

@@ -384,7 +384,7 @@ def from_rule_defs(cls, rule_defs):
     def parse_rules(cls, rulestr):
         tokens, unmatched = cls.RuleSpecScanner.scan(rulestr)
         if unmatched:
-            raise LexingError.from_text(rulestr, unmatched, msg="Syntax rules are unparseable")
+            raise LexingError.from_text(rulestr, unmatched, msg="Syntax rules are unparsable")
         rules = {}
         terminals = []
         tokeniter = iter(tokens)