diff --git a/doc/prebuilt b/doc/prebuilt
index 1ed97b23f..8410336d9 160000
--- a/doc/prebuilt
+++ b/doc/prebuilt
@@ -1 +1 @@
-Subproject commit 1ed97b23f19c80fa84b21a5eb0c686d5491e8ec6
+Subproject commit 8410336d954688c88014576ba0f3fea905b29b39
diff --git a/src/exchange/taler-exchange-httpd_keys.c b/src/exchange/taler-exchange-httpd_keys.c
index b1fa2cbc4..f9c35eee1 100644
--- a/src/exchange/taler-exchange-httpd_keys.c
+++ b/src/exchange/taler-exchange-httpd_keys.c
@@ -2068,7 +2068,7 @@ finish_keys_response (struct TEH_KeyStateHandle *ksh)
 
   last_cpd = GNUNET_TIME_UNIT_ZERO_TS;
 
-  // FIXME: This block contains the implementation of the DEPRICATED
+  // FIXME: This block contains the implementation of the DEPRECATED
   // "denom_pubs" array along with the new grouped "denominations".
   // "denom_pubs" Will be removed sooner or later.
   {
diff --git a/src/include/taler_crypto_lib.h b/src/include/taler_crypto_lib.h
index fa13a29ca..1a0fb72e6 100644
--- a/src/include/taler_crypto_lib.h
+++ b/src/include/taler_crypto_lib.h
@@ -5082,8 +5082,8 @@ struct TALER_AgeCommitment
  *
  * This struct is used in a call to TALER_age_commitment_attest to create an
  * attestation for a minimum age (if that minimum age is less or equal to the
- * commited age for this proof).  It consists of a list private keys, one per
- * age group, for which the commited age is either lager or within that
+ * committed age for this proof).  It consists of a list private keys, one per
+ * age group, for which the committed age is either lager or within that
  * particular group.
  */
 struct TALER_AgeProof
diff --git a/src/include/taler_json_lib.h b/src/include/taler_json_lib.h
index d8912e52e..443cbdb7b 100644
--- a/src/include/taler_json_lib.h
+++ b/src/include/taler_json_lib.h
@@ -432,7 +432,7 @@ TALER_JSON_spec_denom_pub (const char *field,
  * cipher.
  *
  * @param field name of the field
- * @parm cipher which cipher type to parse for
+ * @param cipher which cipher type to parse for
  * @param[out] pk key to fill
  * @return corresponding field spec
  */