Add some sentence endings.
diff --git a/Doc/library/pdb.rst b/Doc/library/pdb.rst
index 4eeec1e..c1a0bcd 100644
--- a/Doc/library/pdb.rst
+++ b/Doc/library/pdb.rst
@@ -269,7 +269,7 @@
 
 unt(il)
    Continue execution until the line with the the line number greater than the
-   current one is reached or when returning from current frame
+   current one is reached or when returning from current frame.
 
    .. versionadded:: 2.6
 
diff --git a/Lib/pdb.doc b/Lib/pdb.doc
index 1cd2f19..0d32800 100644
--- a/Lib/pdb.doc
+++ b/Lib/pdb.doc
@@ -130,8 +130,7 @@
 
 unt(il)
         Continue execution until the line with a number greater than the 
-        current one is reached or until the current frame returns
-
+        current one is reached or until the current frame returns.
 
 r(eturn)
         Continue execution until the current function returns.
diff --git a/Misc/NEWS b/Misc/NEWS
index 25a21bd..4fd972a 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -68,7 +68,7 @@
 
 - os.path.walk is deprecated in favor of os.walk.
 
-- pdb gained the "until" command
+- pdb gained the "until" command.
 
 Build
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