Correcting the typo

s/THe/The

Author: moiseev

docs/AccessControlInStdlib.rst

@@ -11,7 +11,7 @@ overlays for system frameworks written in Swift.
 
 Swift has three levels of access control --- private, internal
 and public.  As currently implemented, access control is only
-concerned with API-level issues, not ABI.  THe stdlib does not have a stable ABI,
+concerned with API-level issues, not ABI.  The stdlib does not have a stable ABI,
 and is compiled in "non-resilient" mode with inlining into user code; thus, all
 stdlib symbols are considered ABI and stdlib clients should be recompiled after
 *any* change to the stdlib.