diff --git a/src/descriptor/csfs_cov/cov.rs b/src/descriptor/csfs_cov/cov.rs
index c2274301..2c6a5a08 100644
--- a/src/descriptor/csfs_cov/cov.rs
+++ b/src/descriptor/csfs_cov/cov.rs
@@ -25,7 +25,7 @@
 //! 1. nVersion of the transaction (4-byte little endian)
 //! 2. hashPrevouts (32-byte hash)
 //! 3. hashSequence (32-byte hash)
-//! 3b. ELEMENTS EXTRA hashIssuances (32-byte hash)
+//! 3. ELEMENTS EXTRA hashIssuances (32-byte hash)
 //! 4. outpoint (32-byte hash + 4-byte little endian)
 //! 5. scriptCode of the input (serialized as scripts inside CTxOuts)
 //! 6. value of the output spent by this input (8-byte little endian)
diff --git a/src/descriptor/csfs_cov/mod.rs b/src/descriptor/csfs_cov/mod.rs
index c609f592..b1295dd3 100644
--- a/src/descriptor/csfs_cov/mod.rs
+++ b/src/descriptor/csfs_cov/mod.rs
@@ -26,7 +26,7 @@
 //! 1. nVersion of the transaction (4-byte little endian)
 //! 2. hashPrevouts (32-byte hash)
 //! 3. hashSequence (32-byte hash)
-//! 3b. ELEMENTS EXTRA hashIssuances (32-byte hash)
+//! 3. ELEMENTS EXTRA hashIssuances (32-byte hash)
 //! 4. outpoint (32-byte hash + 4-byte little endian)
 //! 5. scriptCode of the input (serialized as scripts inside CTxOuts)
 //! 6. value of the output spent by this input (8-byte little endian)