diff --git a/source/faq/fundamentals.txt b/source/faq/fundamentals.txt
index 6ff132c2e3a..e2548f8d14d 100644
--- a/source/faq/fundamentals.txt
+++ b/source/faq/fundamentals.txt
@@ -135,7 +135,7 @@ on a machine with a small amount of free RAM.
 
 MongoDB automatically uses all free memory on the machine as its
 cache. System resource monitors show that MongoDB uses a lot of
-memory, but it's usage is dynamic. If another process suddenly needs
+memory, but its usage is dynamic. If another process suddenly needs
 half the server's RAM, MongoDB will yield cached memory to the other process.
 
 Technically, the operating system's virtual memory subsystem manages