Touching up docs
diff --git a/rackspace/lb/v1/common.go b/rackspace/lb/v1/common.go
index 89d9361..1f33709 100644
--- a/rackspace/lb/v1/common.go
+++ b/rackspace/lb/v1/common.go
@@ -20,3 +20,9 @@
 	}
 	return str
 }
+
+// WithinRange returns TRUE if an integer falls within a defined range, and
+// FALSE if not.
+func WithinRange(val, min, max int) bool {
+	return val > min && val < max
+}