diff --git a/src/validation.cpp b/src/validation.cpp
index 46265a1985f..8fcc719a684 100644
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -3103,7 +3103,7 @@ public:
 };
 
 /**
- * Connect a new block to m_chain. pblock is either nullptr or a pointer to a CBlock
+ * Connect a new block to m_chain. block_to_connect is either nullptr or a pointer to a CBlock
  * corresponding to pindexNew, to bypass loading it again from disk.
  *
  * The block is added to connectTrace if connection succeeds.