diff --git a/src/calibre/ebooks/conversion/plumber.py b/src/calibre/ebooks/conversion/plumber.py
index 69188e9c5f..a8a0fb1b66 100644
--- a/src/calibre/ebooks/conversion/plumber.py
+++ b/src/calibre/ebooks/conversion/plumber.py
@@ -508,7 +508,7 @@ OptionRecommendation(name='smarten_punctuation',
         recommended_value=False, level=OptionRecommendation.LOW,
         help=_('Convert plain quotes, dashes and ellipsis to their '
             'typographically correct equivalents. For details, see '
-            'https://daringfireball.net/projects/smartypants'
+            'https://daringfireball.net/projects/smartypants.'
             )
         ),
 
diff --git a/src/calibre/gui2/convert/look_and_feel.py b/src/calibre/gui2/convert/look_and_feel.py
index 2237555f6b..0174dd4341 100644
--- a/src/calibre/gui2/convert/look_and_feel.py
+++ b/src/calibre/gui2/convert/look_and_feel.py
@@ -20,7 +20,7 @@ class LookAndFeelWidget(Widget, Ui_Form):
 
     TITLE = _('Look & feel')
     ICON  = I('lookfeel.png')
-    HELP  = _('Control the look and feel of the output')
+    HELP  = _('Control the look and feel of the output.')
     COMMIT_NAME = 'look_and_feel'
 
     FILTER_CSS = {
diff --git a/src/pyj/read_book/overlay.pyj b/src/pyj/read_book/overlay.pyj
index af828470a2..cb7bf5bdac 100644
--- a/src/pyj/read_book/overlay.pyj
+++ b/src/pyj/read_book/overlay.pyj
@@ -782,7 +782,7 @@ class Overlay:
 
                 container.lastChild.appendChild(E.div(
                     style='text-align: right',
-                    E.a(_('Edit metadata of book in library'), class_='blue-link', onclick=def():
+                    E.a(_('Edit the metadata for this book in the library'), class_='blue-link', onclick=def():
                         container = document.getElementById(container_id)
                         clear(container)
                         container.appendChild(E.iframe(