Fix doubled word typos.

diff --git a/Doc/api/newtypes.tex b/Doc/api/newtypes.tex
index 2c5982d84bc29aae0523b30120a36e16a12d19fc..f0af8109a34203bf861c9d914ec045c573fd1891 100644 (file)
--- a/Doc/api/newtypes.tex
+++ b/Doc/api/newtypes.tex
@@ -22,7 +22,7 @@ defining new object types.
   Initialize a newly-allocated object \var{op} with its type and
   initial reference.  Returns the initialized object.  If \var{type}
   indicates that the object participates in the cyclic garbage
-  detector, it it added to the detector's set of observed objects.
+  detector, it is added to the detector's set of observed objects.
   Other fields of the object are not affected.
 \end{cfuncdesc}