diff --git a/rshell/main.py b/rshell/main.py
index 40071f5..b0e95a9 100755
--- a/rshell/main.py
+++ b/rshell/main.py
@@ -159,9 +159,9 @@
 #
 # When running under WSL, sys.platform returns 'linux' so we do a further check
 # on 'Microsoft' in platform.uname().release to detect if we're running under WSL.
-# Currently, there is no serial port enumeration availbale under WSL.
+# Currently, there is no serial port enumeration available under WSL.
 import platform
-USE_AUTOCONNECT = sys.platform == 'linux' and 'Microsoft' not in platform.uname().release
+USE_AUTOCONNECT = sys.platform == 'linux' and 'microsoft' not in platform.uname().release.lower()
 
 SIX_MONTHS = 183 * 24 * 60 * 60
 
@@ -348,7 +348,7 @@ def autoscan():
 
 
 def extra_info(port):
-    """Collects the serial nunber and manufacturer into a string, if
+    """Collects the serial number and manufacturer into a string, if
        the fields are available."""
     extra_items = []
     if port.manufacturer:
@@ -847,7 +847,7 @@ def add_suffix_if_dir(filename):
             if (os.stat(filename)[0] & 0x4000) != 0:
                 return filename + '/'
         except FileNotFoundError:
-            # This can happen when a symlink points to a non-existant file.
+            # This can happen when a symlink points to a non-existent file.
             pass
         return filename
     if not os.path.isdir(dirname):
@@ -1418,7 +1418,7 @@ def add_arg(*args, **kwargs):
 
 
 def connect(port, baud=115200, user='micro', password='python', wait=0):
-    """Tries to connect automagically via network or serial."""
+    """Tries to connect automatically via network or serial."""
     if '/' in port:
         connect_serial(port, baud=baud, wait=wait)
     else:
@@ -2683,7 +2683,7 @@ def do_mkdir(self, line):
                 print_err('Unable to create %s' % filename)
 
     def repl_serial_to_stdout(self, dev):
-        """Runs as a thread which has a sole purpose of readding bytes from
+        """Runs as a thread which has a sole purpose of reading bytes from
            the serial port and writing them to stdout. Used by do_repl.
         """
         with self.serial_reader_running: