diff --git a/document.h b/document.h
index b4dc6fa..113344e 100644
--- a/document.h
+++ b/document.h
@@ -170,7 +170,9 @@ void* zathura_document_get_data(zathura_document_t* document);
 void zathura_document_set_data(zathura_document_t* document, void* data);
 
 /**
- * Computes the size of a cell in the document's layout table, assuming that the table is homogeneous (i.e. every cell has the same dimensions). It takes the current scale into account.
+ * Computes the size of a cell in the document's layout table, assuming that
+ * the table is homogeneous (i.e. every cell has the same dimensions). It takes
+ * the current scale into account.
  *
  * @param[in]  document     The document instance
  * @param[out] height,width The computed height and width of the cell