Fix typo module (#125)

Author: Thihup

plexus-java/src/site/markdown/usage.md

@@ -7,7 +7,7 @@ You start by using `ResolvePathsRequest.ofXXX`, where XXX is either Files, Paths
 
 The `ResolvePathRequest` also contains:
 
-  * mainModuleDescriptor: the path or file of the main module descriptor, can either be `mdouel-info.java` or `module-info.class`  
+  * mainModuleDescriptor: the path or file of the main module descriptor, can either be `module-info.java` or `module-info.class`  
 
   * additionalModules: the modules that will be addedusing `-add-modules`
 
@@ -37,4 +37,4 @@ Additional features:
 
  * `JavaVersion.JAVA_SPECIFICATION_VERSION` represents `System.getProperty( "java.specification.version" )`
 
- * `JavaVersion.JAVA_VERSION` represents `System.getProperty( "java.version" )`
+ * `JavaVersion.JAVA_VERSION` represents `System.getProperty( "java.version" )`