typo in spec

R=tgs
DELTA=1  (0 added, 0 deleted, 1 changed)
OCL=28032
CL=28032

doc/go_spec.html

@@ -3396,7 +3396,7 @@ a single byte in the string.
 </p>
 <p>
 For channels, the identifier list must contain one identifier.
-The iteration recieves values sent on the channel until the channel is closed;
+The iteration receives values sent on the channel until the channel is closed;
 it does not process the zero value sent before the channel is closed.
 </p>
 <p>