Fix spelling.
diff --git a/Modules/_sqlite/cursor.c b/Modules/_sqlite/cursor.c
index 94aea9b..91d8f74 100644
--- a/Modules/_sqlite/cursor.c
+++ b/Modules/_sqlite/cursor.c
@@ -621,7 +621,7 @@
                 }
             } else {
                 if (PyErr_Occurred()) {
-                    /* there was an error that occured in a user-defined callback */
+                    /* there was an error that occurred in a user-defined callback */
                     if (_enable_callback_tracebacks) {
                         PyErr_Print();
                     } else {
diff --git a/Modules/_sqlite/util.c b/Modules/_sqlite/util.c
index 33748a6..f5a7233 100644
--- a/Modules/_sqlite/util.c
+++ b/Modules/_sqlite/util.c
@@ -38,7 +38,7 @@
 
 /**
  * Checks the SQLite error code and sets the appropriate DB-API exception.
- * Returns the error code (0 means no error occured).
+ * Returns the error code (0 means no error occurred).
  */
 int _seterror(sqlite3* db)
 {
diff --git a/Modules/_sqlite/util.h b/Modules/_sqlite/util.h
index e99a4dd..7ce3d40 100644
--- a/Modules/_sqlite/util.h
+++ b/Modules/_sqlite/util.h
@@ -32,7 +32,7 @@
 
 /**
  * Checks the SQLite error code and sets the appropriate DB-API exception.
- * Returns the error code (0 means no error occured).
+ * Returns the error code (0 means no error occurred).
  */
 int _seterror(sqlite3* db);
 #endif