diff --git a/project/MimaExcludes.scala b/project/MimaExcludes.scala
index 5674eba0bea0b..3e1391317eab3 100644
--- a/project/MimaExcludes.scala
+++ b/project/MimaExcludes.scala
@@ -76,7 +76,7 @@ object MimaExcludes {
 
     // SPARK-46410: Assign error classes/subclasses to JdbcUtils.classifyException
     ProblemFilters.exclude[DirectMissingMethodProblem]("org.apache.spark.sql.jdbc.JdbcDialect.classifyException"),
-    // [SPARK-464878][CORE][SQL] (false alert). Invalid rule for StringType extension.
+    // TODO(SPARK-46878): Invalid Mima report for StringType extension
     ProblemFilters.exclude[DirectMissingMethodProblem]("org.apache.spark.sql.types.StringType.this"),
     // SPARK-47011: Remove deprecated BinaryClassificationMetrics.scoreLabelsWeight
     ProblemFilters.exclude[DirectMissingMethodProblem]("org.apache.spark.mllib.evaluation.BinaryClassificationMetrics.scoreLabelsWeight")