diff --git a/src/optimizer/OptimizerUtils.cpp b/src/optimizer/OptimizerUtils.cpp
index 9f561deb8..c768f7af1 100644
--- a/src/optimizer/OptimizerUtils.cpp
+++ b/src/optimizer/OptimizerUtils.cpp
@@ -884,7 +884,7 @@ bool OptimizerUtils::findOptimalIndex(const Expression* condition,
     hints.reserve(index.hints.size());
     auto iter = index.hints.begin();
 
-    // Use full scan if the highest index socre is NotEqual
+    // Use full scan if the highest index score is NotEqual
     if (iter->score == IndexScore::kNotEqual) {
         return false;
     }
diff --git a/src/optimizer/rule/OptimizeEdgeIndexScanbyFilterRule.cpp b/src/optimizer/rule/OptimizeEdgeIndexScanByFilterRule.cpp
similarity index 100%
rename from src/optimizer/rule/OptimizeEdgeIndexScanbyFilterRule.cpp
rename to src/optimizer/rule/OptimizeEdgeIndexScanByFilterRule.cpp
diff --git a/src/optimizer/rule/OptimizeEdgeIndexScanbyFilterRule.h b/src/optimizer/rule/OptimizeEdgeIndexScanByFilterRule.h
similarity index 100%
rename from src/optimizer/rule/OptimizeEdgeIndexScanbyFilterRule.h
rename to src/optimizer/rule/OptimizeEdgeIndexScanByFilterRule.h
diff --git a/src/optimizer/rule/OptimizeTagIndexScanbyFilterRule.cpp b/src/optimizer/rule/OptimizeTagIndexScanByFilterRule.cpp
similarity index 100%
rename from src/optimizer/rule/OptimizeTagIndexScanbyFilterRule.cpp
rename to src/optimizer/rule/OptimizeTagIndexScanByFilterRule.cpp
diff --git a/src/optimizer/rule/OptimizeTagIndexScanbyFilterRule.h b/src/optimizer/rule/OptimizeTagIndexScanByFilterRule.h
similarity index 100%
rename from src/optimizer/rule/OptimizeTagIndexScanbyFilterRule.h
rename to src/optimizer/rule/OptimizeTagIndexScanByFilterRule.h