diff --git a/config.pbtxt b/config.pbtxt
index 6bc0ae6..e2cc75e 100644
--- a/config.pbtxt
+++ b/config.pbtxt
@@ -7,6 +7,13 @@ max_batch_size: 0
 # input of variable length named 'text_input'
 input [
 
+  {
+    name: "text_input"
+    data_type: TYPE_STRING
+    dims: [ "-1" ]
+
+
+  }
 
 ]