@@ -55,13 +55,13 @@
 + (instancetype)exceptionWithObject: (id)object
 		    requestedLength: (size_t)requestedLength
 		       bytesWritten: (size_t)bytesWritten
 			      errNo: (int)errNo;
 
--  initWithObject: (id)object
-  requestedLength: (size_t)requestedLength
-	    errNo: (int)errNo OF_UNAVAILABLE;
+- (instancetype)initWithObject: (id)object
+	       requestedLength: (size_t)requestedLength
+			 errNo: (int)errNo OF_UNAVAILABLE;
 
 /*!
  * @brief Initializes an already allocated write failed exception.
  *
  * @param object The object from which reading or to which writing failed
@@ -70,12 +70,12 @@
  * @param bytesWritten The amount of bytes already written before the write
  *		       failed
  * @param errNo The errno of the error that occurred
  * @return A new open file failed exception
  */
--  initWithObject: (id)object
-  requestedLength: (size_t)requestedLength
-     bytesWritten: (size_t)bytesWritten
-	    errNo: (int)errNo OF_DESIGNATED_INITIALIZER;
+- (instancetype)initWithObject: (id)object
+	       requestedLength: (size_t)requestedLength
+		  bytesWritten: (size_t)bytesWritten
+			 errNo: (int)errNo OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END