diff --git a/contrib/lax_der_privatekey_parsing.h b/contrib/lax_der_privatekey_parsing.h
index 1a8ad8ae0c3b0..3749e418fe3e7 100644
--- a/contrib/lax_der_privatekey_parsing.h
+++ b/contrib/lax_der_privatekey_parsing.h
@@ -43,8 +43,7 @@ extern "C" {
 /** Export a private key in DER format.
  *
  *  Returns: 1 if the private key was valid.
- *  Args: ctx:        pointer to a context object, initialized for signing (cannot
- *                    be NULL)
+ *  Args: ctx:        pointer to a context object (not secp256k1_context_static).
  *  Out: privkey:     pointer to an array for storing the private key in BER.
  *                    Should have space for 279 bytes, and cannot be NULL.
  *       privkeylen:  Pointer to an int where the length of the private key in
diff --git a/include/secp256k1.h b/include/secp256k1.h
index 112e0360142fc..185f0bed318f6 100644
--- a/include/secp256k1.h
+++ b/include/secp256k1.h
@@ -636,7 +636,7 @@ SECP256K1_API extern const secp256k1_nonce_function secp256k1_nonce_function_def
  *
  *  Returns: 1: signature created
  *           0: the nonce generation function failed, or the secret key was invalid.
- *  Args:    ctx:       pointer to a context object, initialized for signing.
+ *  Args:    ctx:       pointer to a context object (not secp256k1_context_static).
  *  Out:     sig:       pointer to an array where the signature will be placed.
  *  In:      msghash32: the 32-byte message hash being signed.
  *           seckey:    pointer to a 32-byte secret key.
@@ -680,7 +680,7 @@ SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_ec_seckey_verify(
  *
  *  Returns: 1: secret was valid, public key stores.
  *           0: secret was invalid, try again.
- *  Args:    ctx:    pointer to a context object, initialized for signing.
+ *  Args:    ctx:    pointer to a context object (not secp256k1_context_static).
  *  Out:     pubkey: pointer to the created public key.
  *  In:      seckey: pointer to a 32-byte secret key.
  */
diff --git a/include/secp256k1_extrakeys.h b/include/secp256k1_extrakeys.h
index 151e8c27848f6..3591bc0012ca0 100644
--- a/include/secp256k1_extrakeys.h
+++ b/include/secp256k1_extrakeys.h
@@ -159,7 +159,7 @@ SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_xonly_pubkey_tweak_add_
  *
  *  Returns: 1: secret was valid, keypair is ready to use
  *           0: secret was invalid, try again with a different secret
- *  Args:    ctx: pointer to a context object, initialized for signing.
+ *  Args:    ctx: pointer to a context object (not secp256k1_context_static).
  *  Out: keypair: pointer to the created keypair.
  *  In:   seckey: pointer to a 32-byte secret key.
  */
diff --git a/include/secp256k1_recovery.h b/include/secp256k1_recovery.h
index d14f4fe691eaa..824c604025d2f 100644
--- a/include/secp256k1_recovery.h
+++ b/include/secp256k1_recovery.h
@@ -72,7 +72,7 @@ SECP256K1_API int secp256k1_ecdsa_recoverable_signature_serialize_compact(
  *
  *  Returns: 1: signature created
  *           0: the nonce generation function failed, or the secret key was invalid.
- *  Args:    ctx:       pointer to a context object, initialized for signing.
+ *  Args:    ctx:       pointer to a context object (not secp256k1_context_static).
  *  Out:     sig:       pointer to an array where the signature will be placed.
  *  In:      msghash32: the 32-byte message hash being signed.
  *           seckey:    pointer to a 32-byte secret key.
diff --git a/include/secp256k1_schnorrsig.h b/include/secp256k1_schnorrsig.h
index 41532868c119f..e579e1b1d834b 100644
--- a/include/secp256k1_schnorrsig.h
+++ b/include/secp256k1_schnorrsig.h
@@ -106,7 +106,7 @@ typedef struct {
  *  signatures from being valid in multiple contexts by accident.
  *
  *  Returns 1 on success, 0 on failure.
- *  Args:    ctx: pointer to a context object, initialized for signing.
+ *  Args:    ctx: pointer to a context object (not secp256k1_context_static).
  *  Out:   sig64: pointer to a 64-byte array to store the serialized signature.
  *  In:    msg32: the 32-byte message being signed.
  *       keypair: pointer to an initialized keypair.