Typo: coplete --> complete

This closes SF bug #129759.
diff --git a/Doc/ref/ref8.tex b/Doc/ref/ref8.tex
index 485b34d..cadbc5d 100644
--- a/Doc/ref/ref8.tex
+++ b/Doc/ref/ref8.tex
@@ -28,7 +28,7 @@
 The interpreter may also be invoked in interactive mode; in this case,
 it does not read and execute a complete program but reads and executes
 one statement (possibly compound) at a time.  The initial environment
-is identical to that of a coplete program; each statement is executed
+is identical to that of a complete program; each statement is executed
 in the namespace of \module{__main__}.
 \index{interactive mode}
 \refbimodindex{__main__}