docs fix spelling issues

docs/compiler-exceptions.rst

@@ -44,7 +44,7 @@ of the error within the code:
 
 .. py:exception:: ImmutableViolation
 
-    Raises when attempting to perform a change a variable, constant or definition that cannot be changed. For example, trying to update a constant, or trying to assign to a function definition.
+    Raises when attempting to perform a change to a variable, constant or definition that cannot be changed. For example, trying to update a constant, or trying to assign to a function definition.
 
 .. py:exception:: InterfaceViolation
 

docs/compiling-a-contract.rst

@@ -145,7 +145,7 @@ When you compile your contract code, you can specify the target Ethereum Virtual
 .. note::
    If the evm version specified by the compiler options conflicts with the source code pragma, an exception will be raised and compilation will not continue.
 
-For instance, the adding the following pragma to a contract indicates that it should be compiled for the "cancun" fork of the EVM.
+For instance, adding the following pragma to a contract indicates that it should be compiled for the "cancun" fork of the EVM.
 
 .. code-block:: vyper
 

docs/conf.py

@@ -14,7 +14,7 @@
 copyright = "2017-2024 CC-BY-4.0 Vyper Team"
 author = "Vyper Team (originally created by Vitalik Buterin)"
 
-# The language for content autogenerated by Sphinx. Refer to documentation
+# The language for content is autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
 #
 # This is also used if you do content translation via gettext catalogs.