diff --git a/Misc/NEWS b/Misc/NEWS
index c8556b38b94..3726f976dcd 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -517,6 +517,8 @@ Extension Modules
 Build
 -----
 
+- Issue #10580: Minor grammar change in Windows installer.
+
 - Issue #12627: Implement PEP 394 for Python 2.7 ("python2").
 
 - Issue #8746: Correct faulty configure checks so that os.chflags() and
diff --git a/Tools/msi/msi.py b/Tools/msi/msi.py
index f01aa7ff464..5475bd0f607 100644
--- a/Tools/msi/msi.py
+++ b/Tools/msi/msi.py
@@ -495,7 +495,7 @@ def add_ui(db):
 
     exit_dialog = PyDialog(db, "ExitDialog", x, y, w, h, modal, title,
                          "Finish", "Finish", "Finish")
-    exit_dialog.title("Completing the [ProductName] Installer")
+    exit_dialog.title("Complete the [ProductName] Installer")
     exit_dialog.back("< Back", "Finish", active = 0)
     exit_dialog.cancel("Cancel", "Back", active = 0)
     exit_dialog.text("Acknowledgements", 135, 95, 220, 120, 0x30003,