Issue #27125: Remove duplicated words from documentation and comments
diff --git a/Objects/setobject.c b/Objects/setobject.c
index 3958a6c..b3ca643 100644
--- a/Objects/setobject.c
+++ b/Objects/setobject.c
@@ -784,7 +784,7 @@
     hash *= PySet_GET_SIZE(self) + 1;
     while (set_next(so, &pos, &entry)) {
         /* Work to increase the bit dispersion for closely spaced hash
-           values.  The is important because some use cases have many
+           values.  This is important because some use cases have many
            combinations of a small number of elements with nearby
            hashes so that many distinct combinations collapse to only
            a handful of distinct hash values. */