maint: replace misused "a" with "an"

[pspp] / doc / pastposix-functions / swapcontext.texi

diff --git a/doc/pastposix-functions/swapcontext.texi b/doc/pastposix-functions/swapcontext.texi
index 4fbb3df4a58725201ec0c41fc68ec5f5bfe4e867..30ea3a047e31db6ee49ad2a5abfbb13b3dd9cf8c 100644 (file)
--- a/doc/pastposix-functions/swapcontext.texi
+++ b/doc/pastposix-functions/swapcontext.texi
@@ -14,5 +14,5 @@ Portability problems not fixed by Gnulib:
 @itemize
 @item
 This function is missing on some platforms:
-MacOS X 10.5, OpenBSD 3.8, Cygwin, mingw, Interix 3.5, BeOS.
+MacOS X 10.4, OpenBSD 3.8, Cygwin, mingw, Interix 3.5, BeOS.
 @end itemize