Fixed a typo

src/docs/asciidoc/best-practices.asc

@@ -550,7 +550,7 @@ javadoc -javafx MyClass.java -d testdir
 === Example
 Generally, if you introduce a JavaFX property field, you will add its corresponding property method along with setter and getter. In this case, you are advised to bundle them together and document _only_ the field. The "-javafx" option on the javadoc command will generate the appropriate documentation for the rest of the methods.
 
-*N.B.* - You can documentation individual method in case you want to add explicit information for the method.
+*N.B.* - You can document an individual method in case you want to add explicit information for the method.
 
 [source,java]
 ----