Nicer time stamp format

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/docs/proposed/psa-conditional-inclusion-c.md b/docs/proposed/psa-conditional-inclusion-c.md
index 578cc41..61d3d17 100644
--- a/docs/proposed/psa-conditional-inclusion-c.md
+++ b/docs/proposed/psa-conditional-inclusion-c.md
@@ -5,7 +5,7 @@
 
 This is currently a proposal for Mbed TLS. It is not currently on track for standardization in PSA.
 
-Time-stamp: "2020/08/31 14:01:46 CEST gilpes01@e120160-lin.cambridge.arm.com"
+Time-stamp: "2020/08/31 13:40:49 GMT"
 
 ## Introduction
 
@@ -117,3 +117,13 @@
 #### Testability
 
 Is this proposal decently testable? There are a lot of combinations. What combinations should we test?
+
+<!--
+Local Variables:
+time-stamp-line-limit: 40
+time-stamp-start: "Time-stamp: *\""
+time-stamp-end: "\""
+time-stamp-format: "%04Y/%02m/%02d %02H:%02M:%02S %Z"
+time-stamp-time-zone: "GMT"
+End:
+-->