[tensorflow] fix optOption usage document (#1001)

Change-Id: Ie044839cf082d63010a5c26d3f2f8833447919c6
deepjavalibrary · Jun 8, 2021 · 8286930 · 8286930
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diff --git a/docs/tensorflow/how_to_import_tensorflow_models_in_DJL.md b/docs/tensorflow/how_to_import_tensorflow_models_in_DJL.md
@@ -121,7 +121,7 @@ Criteria<Image, DetectedObjects> criteria =
                         .setTypes(Image.class, DetectedObjects.class)
                         .optFilter("backbone", "mobilenet_v2")
                         .optEngine("TensorFlow")
-                        .optOption("Tags", new String[] {})
+                        .optOption("Tags", "")
                         .optOption("SignatureDefKey", "default")
                         .optProgress(new ProgressBar())
                         .build();

diff --git a/tensorflow/tensorflow-engine/src/main/java/ai/djl/tensorflow/engine/TfSymbolBlock.java b/tensorflow/tensorflow-engine/src/main/java/ai/djl/tensorflow/engine/TfSymbolBlock.java
@@ -79,7 +79,7 @@ public TfSymbolBlock(SavedModelBundle bundle, String signatureDefKey) {
                             + "not found in Saved Model Bundle."
                             + "Available keys: "
                             + String.join(" ", keys)
-                            + "Please use .optOptions(\"SignatureDefKey\", \"value\") with Criteria.builder to load the model."
+                            + "Please use .optOption(\"SignatureDefKey\", \"value\") with Criteria.builder to load the model."
                             + "Normally the value is \"default\" for TF1.x models and \"serving_default\" for TF2.x models. "
                             + "Refer to: https://www.tensorflow.org/guide/saved_model"
                             + "Loading the model using next available key.");