Fix typo in docs. s/methodoligies/methodologies/

Signed-off-by: K Heller <pestophagous@gmail.com>
(cherry picked from commit 191adcfb637ea1b52d2da9a75e4e1e4938d9550c)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

docs/understanding-docker.md

@@ -19,7 +19,7 @@ Docker is an open platform for developing, shipping, and running applications.
 Docker enables you to separate your applications from your infrastructure so
 you can deliver software quickly. With Docker, you can manage your infrastructure
 in the same ways you manage your applications. By taking advantage of Docker's
-methodoligies for shipping, testing, and deploying code quickly, you can
+methodologies for shipping, testing, and deploying code quickly, you can
 significantly reduce the delay between writing code and running it in production.
 
 ## What is the Docker platform?