diff --git a/include/mariadb_rpl.h b/include/mariadb_rpl.h
index ea0ca4dbe..22d1163e6 100644
--- a/include/mariadb_rpl.h
+++ b/include/mariadb_rpl.h
@@ -295,7 +295,7 @@ enum opt_metadata_field_type
 /* ?? */
 #define LOG_EVENT_MTS_ISOLATE_F             0x0200
 
-/* if session variable @@skip_repliation was set, this flag will be
+/* if session variable @@skip_replication was set, this flag will be
    reported for events which should be skipped. */
 #define LOG_EVENT_SKIP_REPLICATION_F        0x8000
 
diff --git a/libmariadb/ma_init.c b/libmariadb/ma_init.c
index 008aec54d..e522dbb97 100644
--- a/libmariadb/ma_init.c
+++ b/libmariadb/ma_init.c
@@ -36,7 +36,7 @@ my_bool ma_init_done=0;
 
 
 
-/* Init ma_sys functions and ma_sys variabels */
+/* Init ma_sys functions and ma_sys variables */
 
 void ma_init(void)
 {
diff --git a/libmariadb/secure/schannel_certs.c b/libmariadb/secure/schannel_certs.c
index 9762f1474..17b17b3e9 100644
--- a/libmariadb/secure/schannel_certs.c
+++ b/libmariadb/secure/schannel_certs.c
@@ -810,7 +810,7 @@ static SECURITY_STATUS create_client_certificate_mem(
     CERT_QUERY_FORMAT_FLAG_ALL, 0, NULL, &actual_content_type,
     NULL, NULL, NULL, (const void**)&cert_handle->cert))
   {
-    FAIL("Can't parse client certficate");
+    FAIL("Can't parse client certificate");
   }
 
   /* Parse key */
diff --git a/unittest/libmariadb/ps_bugs.c b/unittest/libmariadb/ps_bugs.c
index 34dd39267..047198a0f 100644
--- a/unittest/libmariadb/ps_bugs.c
+++ b/unittest/libmariadb/ps_bugs.c
@@ -3545,7 +3545,7 @@ static int test_explain_bug(MYSQL *mysql)
 
   if ( mysql_get_server_version(mysql) >= 50027 )
   {
-    /*  The patch for bug#23037 changes column type of DEAULT to blob */
+    /*  The patch for bug#23037 changes column type of DEFAULT to blob */
     if (verify_prepare_field(result, 4, "Default", "COLUMN_DEFAULT",
                          MYSQL_TYPE_BLOB, 0, 0,
                          mysql_get_server_version(mysql) <= 50400 ? "" : "information_schema",