Fix a wide variety of typos and broken links

Note the PR has a few remaining doc linking issues
listed in the comment that must be addressed separately.

Signed-off-by: aplatkouski <5857672+aplatkouski@users.noreply.github.com>
Closes: #5371
Pull-request: https://github.com/sqlalchemy/sqlalchemy/pull/5371
Pull-request-sha: 7e7d233cf3a0c66980c27db0fcdb3c7d93bc2510

Change-Id: I9c36e8d8804483950db4b42c38ee456e384c59e3

1 files changed, 6 insertions, 6 deletions

diff --git a/lib/sqlalchemy/sql/functions.py b/lib/sqlalchemy/sql/functions.py
index 7b723f371..6fff26842 100644
--- a/lib/sqlalchemy/sql/functions.py
+++ b/lib/sqlalchemy/sql/functions.py
@@ -58,7 +58,7 @@ def register_function(identifier, fn, package="_default"):
     if identifier in reg:
         util.warn(
             "The GenericFunction '{}' is already registered and "
-            "is going to be overriden.".format(identifier)
+            "is going to be overridden.".format(identifier)
         )
     reg[identifier] = fn
 
@@ -125,7 +125,7 @@ class FunctionElement(Executable, ColumnElement, FromClause):
 
     @property
     def columns(self):
-        """The set of columns exported by this :class:`.FunctionElement`.
+        r"""The set of columns exported by this :class:`.FunctionElement`.
 
         Function objects currently have no result column names built in;
         this method returns a single-element column collection with
@@ -951,7 +951,7 @@ class user(AnsiFunction):
 
 
 class array_agg(GenericFunction):
-    """support for the ARRAY_AGG function.
+    """Support for the ARRAY_AGG function.
 
     The ``func.array_agg(expr)`` construct returns an expression of
     type :class:`_types.ARRAY`.
@@ -1011,7 +1011,7 @@ class OrderedSetAgg(GenericFunction):
 
 
 class mode(OrderedSetAgg):
-    """implement the ``mode`` ordered-set aggregate function.
+    """Implement the ``mode`` ordered-set aggregate function.
 
     This function must be used with the :meth:`.FunctionElement.within_group`
     modifier to supply a sort expression to operate upon.
@@ -1026,7 +1026,7 @@ class mode(OrderedSetAgg):
 
 
 class percentile_cont(OrderedSetAgg):
-    """implement the ``percentile_cont`` ordered-set aggregate function.
+    """Implement the ``percentile_cont`` ordered-set aggregate function.
 
     This function must be used with the :meth:`.FunctionElement.within_group`
     modifier to supply a sort expression to operate upon.
@@ -1044,7 +1044,7 @@ class percentile_cont(OrderedSetAgg):
 
 
 class percentile_disc(OrderedSetAgg):
-    """implement the ``percentile_disc`` ordered-set aggregate function.
+    """Implement the ``percentile_disc`` ordered-set aggregate function.
 
     This function must be used with the :meth:`.FunctionElement.within_group`
     modifier to supply a sort expression to operate upon.