Fix typo

Change-Id: Ibc0b22ac1e3b58d91674822a2378703c681c6a7c
Reviewed-on: https://gerrit.libreoffice.org/70445
Tested-by: Jenkins
Reviewed-by: Julien Nabet <serval2412@yahoo.fr>

bean/qa/complex/bean/OOoBeanTest.java

@@ -258,7 +258,7 @@ public class OOoBeanTest
     }
 
     /**
-       1. Create a OOoBean
+       1. Create an OOoBean
        2. Load a document
        3. Create Frame (do not show yet)
        4. Add OOoBean to Frame