Use validate SQL in the example (this was confusing to readers)
diff --git a/Doc/library/sqlite3.rst b/Doc/library/sqlite3.rst
index b4d58b9..051ac92 100644
--- a/Doc/library/sqlite3.rst
+++ b/Doc/library/sqlite3.rst
@@ -59,7 +59,7 @@
 
    # Never do this -- insecure!
    symbol = 'IBM'
-   c.execute("... where symbol = '%s'" % symbol)
+   c.execute("select * from stocks where symbol = '%s'" % symbol)
 
    # Do this instead
    t = (symbol,)