Issue #26778: Fixed "a/an/and" typos in code comment and documentation.
diff --git a/Modules/_csv.c b/Modules/_csv.c
index e78ac95..af46658 100644
--- a/Modules/_csv.c
+++ b/Modules/_csv.c
@@ -717,7 +717,7 @@
         break;
 
     case QUOTE_IN_QUOTED_FIELD:
-        /* doublequote - seen a quote in an quoted field */
+        /* doublequote - seen a quote in a quoted field */
         if (dialect->quoting != QUOTE_NONE &&
             c == dialect->quotechar) {
             /* save "" as " */