Update src/content/compatibility-flags/to-string-tag.md

Author: ToriLindsay

src/content/compatibility-flags/to-string-tag.md

@@ -11,7 +11,7 @@ enable_flag: "set_tostring_tag"
 disable_flag: "do_not_set_tostring_tag"
 ---
 
-A change was made that set the Symbol.toStringTag on all Workers API objects
+A change was made to set the Symbol.toStringTag on all Workers API objects
 in order to fix several spec compliance bugs. Unfortunately it turns out
 that was more breaking than expected. The `do_not_set_tostring_tag`  compat
 flag restores the original behavior for compat dates before 2024-09-26