typos
diff --git a/Doc/ref/ref3.tex b/Doc/ref/ref3.tex
index 63e91d0..60af2dc 100644
--- a/Doc/ref/ref3.tex
+++ b/Doc/ref/ref3.tex
@@ -375,7 +375,7 @@
function, a new class instance (also described below) is created and
returned. This implies a call to the class's \verb@__init__@ method
if it has one. Any arguments are passed on to the \verb@__init__@
-method --- if there is \verb@__init__@ method, the class must be called
+method --- if there is no \verb@__init__@ method, the class must be called
without arguments.
\ttindex{__init__}
\obindex{class}
@@ -629,7 +629,7 @@
Note that \code{del x} doesn't directly call \code{x.__del__} --- the
former decrements the reference count for \code{x} by one, but
-\code{x,__del__} is only called when its reference count reaches zero.
+\code{x.__del__} is only called when its reference count reaches zero.
\item[{\tt __repr__(self)}]
Called by the \verb@repr()@ built-in function and by string conversions
@@ -666,7 +666,7 @@
\code{hash()}. Should return a 32-bit integer usable as a hash value
for dictionary operations. The only required property is that objects
which compare equal have the same hash value; it is advised to somehow
-mix together (e.g. using exclusing or) the hash values for the
+mix together (e.g. using exclusive or) the hash values for the
components of the object that also play a part in comparison of
objects. If a class does not define a \code{__cmp__} method it should
not define a \code{__hash__} operation either; if it defines