merge in jb-mr0-release history after reset to jb-dev

src/tech/security/index.md

diff --git a/src/tech/security/index.md b/src/tech/security/index.md
index 68e65af..cd42289 100644
--- a/src/tech/security/index.md
+++ b/src/tech/security/index.md
@@ -205,7 +205,7 @@
 kernel is to isolate user resources from one another.  The Linux security
 philosophy is to protect user resources from one another. Thus, Linux:
 
-+ Pevents user A from reading user B's files
++ Prevents user A from reading user B's files
 + Ensures that user A does not exhaust user B's memory
 + Ensures that user A does not exhaust user B's CPU resources
 + Ensures that user A does not exhaust user B's devices (e.g. telephony, GPS,