diff --git a/README.md b/README.md
index fd69ecb..2574e98 100644
--- a/README.md
+++ b/README.md
@@ -57,7 +57,7 @@ function runZKInference() public {
 
     // Extract and use model output
     if (output.is_simulation_result == false) {
-        TensorLib.Number prediction = output.numbers[0].values[0];
+        TensorLib.Number memory prediction = output.numbers[0].values[0];
         // Use prediction in your business logic...
     }
 }
@@ -132,19 +132,20 @@ function getPrediction(string memory _base, string memory _quote, uint32 _total_
         base: _base,
         quote: _quote,
         total_candles: _total_candles,
+        candle_duration_in_mins: 1,
         order: CandleOrder.Ascending,
         candle_types: candles
     });
     
     // Execute inference using historical data
-    ModelOutput memory output = OG_HISTORICAL_CONTRACT.runHistoricalInference(
+    ModelOutput memory output = OG_HISTORICAL_CONTRACT.runInferenceOnPriceFeed(
         "QmcLzTJ6yWF5wgW2CAkhNyJ5Tj2sb7YxkeXVVxo3WNW315",
         "open_high_low_close",
         input);
     
     // Handle result
     if (output.is_simulation_result == false) {
-        TensorLib.Number prediction = output.numbers[0].values[0];
+        TensorLib.Number memory prediction = output.numbers[0].values[0];
         // Use prediction...
     }
 }
@@ -171,8 +172,8 @@ The OpenGradient Network is an EVM chain compatible with most existing EVM frame
 
 ## Learn More
 
-- [**Model Hub**](hub.opengradient.ai): Browse available models
-- [**Docs**](docs.opengradient.ai): Official docs
+- [**Model Hub**](https://hub.opengradient.ai): Browse available models
+- [**Docs**](https://docs.opengradient.ai): Official docs
 
 ## Contributing
 
diff --git a/examples/run_historical.sol b/examples/run_historical.sol
index 49047cf..0511d11 100644
--- a/examples/run_historical.sol
+++ b/examples/run_historical.sol
@@ -2,9 +2,12 @@
 pragma solidity ^0.8.18;
 
 import "../src/interfaces/OGHistorical.sol";
-import "../lib/TensorLib.sol";
+import "../src/lib/TensorLib.sol";
 
 contract HistoricalInference {
+    TensorLib.Number[] public results;
+    TensorLib.Number public resultNumber;
+
     function queryCandlesPrice(string memory _base, string memory _quote, uint32 _total_candles) public{
             CandleType[] memory candles = new CandleType[](4);
             candles[0]=CandleType.Open;
@@ -16,6 +19,7 @@ contract HistoricalInference {
                 base: _base,
                 quote: _quote,
                 total_candles: _total_candles,
+                candle_duration_in_mins: 1,
                 order: CandleOrder.Ascending, // Choose Ascending or descending timestamps for candles
                 candle_types: candles
             });
@@ -39,15 +43,16 @@ contract HistoricalInference {
                 base: _base,
                 quote: _quote,
                 total_candles: _total_candles,
+                candle_duration_in_mins: 1,
                 order: CandleOrder.Ascending, // Choose Ascending or descending timestamps for candles
                 candle_types: candles
             });
 
             // execute inference
-            ModelOutput memory output = OG_HISTORICAL_CONTRACT.runHistoricalInference(
+            ModelOutput memory output = OG_HISTORICAL_CONTRACT.runInferenceOnPriceFeed(
                 "QmcLzTJ6yWF5wgW2CAkhNyJ5Tj2sb7YxkeXVVxo3WNW315",
                 "open_high_low_close",
-                input_query);
+                input);
 
             // handle result
             if (output.is_simulation_result == false) {
diff --git a/src/interfaces/OGHistorical.sol b/src/interfaces/OGHistorical.sol
index fb8bf66..25b15b7 100644
--- a/src/interfaces/OGHistorical.sol
+++ b/src/interfaces/OGHistorical.sol
@@ -7,7 +7,7 @@ import "../lib/TensorLib.sol";
 /// @dev The OGHistorical contract's address.
 address constant OG_HISTORICAL_ADDRESS = 0x00000000000000000000000000000000000000F5;
 
-/// @dev The OGInference contract's instance.
+/// @dev The OGHistorical contract's instance.
 OGHistorical constant OG_HISTORICAL_CONTRACT = OGHistorical(OG_HISTORICAL_ADDRESS);
 
 enum CandleOrder {
diff --git a/src/interfaces/OGInference.sol b/src/interfaces/OGInference.sol
index 3426795..57cf082 100644
--- a/src/interfaces/OGInference.sol
+++ b/src/interfaces/OGInference.sol
@@ -3,7 +3,7 @@ pragma solidity ^0.8.18;
 
 import "../lib/TensorLib.sol";
 
-/// @dev The OGInfernece contract's address.
+/// @dev The OGInference contract's address.
 address constant OG_INFERENCE_ADDRESS = 0x00000000000000000000000000000000000000F4;
 
 /// @dev The OGInference contract's instance.
diff --git a/src/lib/TensorLib.sol b/src/lib/TensorLib.sol
index cd784b8..49048c0 100644
--- a/src/lib/TensorLib.sol
+++ b/src/lib/TensorLib.sol
@@ -118,7 +118,7 @@ library TensorLib {
         uint256 multiplier = 1;
 
         for (uint256 i = shape.length; i > 0; i--) {
-            require(indices[i-1] >= 0 && indices[i-1] < shape[i-1], "Index out of bounds");
+            require(indices[i-1] < shape[i-1], "Index out of bounds");
             flatIndex += uint256(indices[i-1]) * multiplier;
             multiplier *= uint256(shape[i-1]);
         }