[docs] winedev-architecture: Make a sentence valid.

[Jan Zerebecki]

---
If this patch is rejected from inclusion, please tell me why, as
I would have to ask anyway.

 en/winedev-architecture.sgml |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/en/winedev-architecture.sgml b/en/winedev-architecture.sgml
index 09c4f96..8c7a2ef 100644
--- a/en/winedev-architecture.sgml
+++ b/en/winedev-architecture.sgml
@@ -69,7 +69,7 @@
 	    </listitem>
 	    <listitem>
 	      <para>
-		Windows PE executable. These are programs were
+		Windows PE executable. These were
 		introduced in Windows 95 (and became the native
 		formats for all later Windows version), even if 16 bit
 		applications were still supported. PE stands for