Fix error message typo in lut_size
diff --git a/tensorflow/lite/kernels/internal/common.h b/tensorflow/lite/kernels/internal/common.h
index 664a3a5..56487c4 100644
--- a/tensorflow/lite/kernels/internal/common.h
+++ b/tensorflow/lite/kernels/internal/common.h
@@ -290,7 +290,7 @@
 constexpr int lut_size() {
   static_assert(std::is_same<LutInT, int8_t>::value ||
                     std::is_same<LutInT, int16_t>::value,
-                "Only LUT with int8 or int16 inputs are supported.");
+                "Only LUTs with int8 or int16 inputs are supported.");
   return std::is_same<LutInT, int8_t>::value ? 256 : 513;
 }