diff --git a/ps-grammar/person/person.jsgf b/ps-grammar/person/person.jsgf
index 87a928497db4ea78a29d194a64f86ebca25c10df..cf61dee23140c0e0169185e460388c420800de52 100644
--- a/ps-grammar/person/person.jsgf
+++ b/ps-grammar/person/person.jsgf
@@ -2,4 +2,4 @@
 grammar ToBI_person;
 public <statement> = <naming>;
 <naming> = [(my name is) | (i am)] <name>;
-<name> = michael | christopher | matthew | joshua | daniel | david | andrew | james | justin | joseph | jessica | ashley | brittany | amanda | samantha | sarah | stephanie | jennifer | elizabeth | lauren;
+<name> = james | john | robert | michael | william | david | richard | charles | joseph | thomas | mary | patricia | linda | barbara | elisabeth | jennifer | maria;
diff --git a/ps-grammar/person/person.jsgf~ b/ps-grammar/person/person.jsgf~
new file mode 100644
index 0000000000000000000000000000000000000000..87a928497db4ea78a29d194a64f86ebca25c10df
--- /dev/null
+++ b/ps-grammar/person/person.jsgf~
@@ -0,0 +1,5 @@
+#JSGF V1.0;
+grammar ToBI_person;
+public <statement> = <naming>;
+<naming> = [(my name is) | (i am)] <name>;
+<name> = michael | christopher | matthew | joshua | daniel | david | andrew | james | justin | joseph | jessica | ashley | brittany | amanda | samantha | sarah | stephanie | jennifer | elizabeth | lauren;