fix "varieties" typo (#17190)

jmsv · jelbourn · commit fcf9f8f1e6b7 · 2019-09-24T10:18:20.000-07:00
(cherry picked from commit 7b07e4d)
diff --git a/src/cdk/stepper/stepper.md b/src/cdk/stepper/stepper.md
@@ -1,4 +1,4 @@
-CDK stepper provides a foundation upon which more concrete stepper varities can be built. A
+CDK stepper provides a foundation upon which more concrete stepper varieties can be built. A
 stepper is a wizard-like workflow that divides content into logical steps
 
 ### Behavior captured by CdkStepper

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-CDK stepper provides a foundation upon which more concrete stepper varities can be built. A`
	`1`	`+CDK stepper provides a foundation upon which more concrete stepper varieties can be built. A`
`2`	`2`	`stepper is a wizard-like workflow that divides content into logical steps`
`3`	`3`
`4`	`4`	`### Behavior captured by CdkStepper`