MNT: Fix typos found by codespell

examples/acis/Basic_Overview.py

@@ -57,7 +57,7 @@
 
 ###########################################
 # Now that we have our request information ready, we can call the acis_request
-# function and recieve our data!
+# function and receive our data!
 
 my_data = acis_request(method, parameters)
 

src/siphon/cdmr/dataset.py

@@ -336,7 +336,7 @@ def group(self):
         return self._group
 
     def isunlimited(self):
-        """Return whether the dimesion is unlimited."""
+        """Return whether the dimension is unlimited."""
         return self.unlimited
 
     def load_from_stream(self, dim):

src/siphon/ncss_dataset.py

@@ -52,7 +52,7 @@ def handle_typed_values(val, type_name, value_type):
         applying int, float to the values will work in most cases (i.e.
         the TDS encodes them as string values properly).
 
-        Examle XML element:
+        Example XML element:
 
         <attribute name="scale_factor" type="double" value="0.0010000000474974513"/>
 

src/siphon/simplewebservice/acis.py

@@ -21,7 +21,7 @@ def acis_request(method, params):
 
     ACIS Web Services is a distributed system! A call to the main URL can be
     delivered to any climate center running a public instance of the service.
-    This makes the calls efficient, but also occasionaly results in failed
+    This makes the calls efficient, but also occasionally results in failed
     calls when a server you are directed to is having problems. Generally,
     reconnecting after waiting a few seconds will resolve a problem. If problems
     are persistent, contact ACIS developers at the High Plains Regional Climate

src/siphon/simplewebservice/igra2.py

@@ -33,7 +33,7 @@ def __init__(self):
 
     @classmethod
     def request_data(cls, time, site_id, derived=False):
-        """Retreive IGRA version 2 data for one station.
+        """Retrieve IGRA version 2 data for one station.
 
         Parameters
         ----------