security doc: fix mispelling
Change-Id: I91224362a2a8aa35d65e193b3da296e37752d152
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,
