Fix typo in sm-config.adoc

Credits to @Jun10ng in PR #1004

Author: fmbenhassine

docs/src/reference/asciidoc/sm-config.adoc

@@ -50,7 +50,7 @@ include::samples/DocsConfigurationSampleTests.java[tags=snippetAA]
 
 You can also use strings instead of enumerations as states and
 events by using `StateMachineConfigurerAdapter`, as shown in the next example. Most
-of the configuration examples ues enumerations, but, generally speaking,
+of the configuration examples use enumerations, but, generally speaking,
 you can interchange strings and enumerations.
 
 ====