diff --git a/ql/src/codeql_ruby/controlflow/internal/ControlFlowGraphImpl.qll b/ql/src/codeql_ruby/controlflow/internal/ControlFlowGraphImpl.qll
index 5c6816e0287..822bd8ced4a 100644
--- a/ql/src/codeql_ruby/controlflow/internal/ControlFlowGraphImpl.qll
+++ b/ql/src/codeql_ruby/controlflow/internal/ControlFlowGraphImpl.qll
@@ -1023,7 +1023,6 @@ module Trees {
 
   private class RedoStmtTree extends LeafTree, RedoStmt { }
 
-  /** A block that may contain `rescue`/`ensure`. */
   private class RescueModifierTree extends PreOrderTree, RescueModifierExpr {
     final override predicate propagatesAbnormal(AstNode child) { child = this.getHandler() }