diff --git a/docs/plugins/titlecase.rst b/docs/plugins/titlecase.rst
index 541c52613..e2861f0ac 100644
--- a/docs/plugins/titlecase.rst
+++ b/docs/plugins/titlecase.rst
@@ -151,13 +151,14 @@ Default
 .. conf:: all_caps
     :default: no
 
-    If the alphabet content of a string is all caps, do not modify. Useful
-    if you encounter a lot of acronyms, etc.
+    If the letters a-Z in a string are all caps, do not modify the string. Useful
+    if you encounter a lot of acronyms.
 
 .. conf:: all_lowercase
+    :default: no
 
-    If the alphabet content of a string is all lowercase, do not modify. Useful
-    if you encounter a lot of stylized lowercase spellings, but otherwise
+    If the letters a-Z in a string are all lowercase, do not modify the string.
+    Useful if you encounter a lot of stylized lowercase spellings, but otherwise
     want titlecase applied.
 
 .. conf:: after_choice
diff --git a/test/plugins/test_titlecase.py b/test/plugins/test_titlecase.py
index 0d5437d5d..c25661bbf 100644
--- a/test/plugins/test_titlecase.py
+++ b/test/plugins/test_titlecase.py
@@ -140,8 +140,8 @@ class TestTitlecasePlugin(PluginTestCase):
             (False, "RBMK1000", "Rbmk1000"),
             (True, "P A R I S!", "P A R I S!"),
             (True, "pillow dub...", "Pillow Dub..."),
-            (False, "P A R I S!", "P a R I S!")
-                ]
+            (False, "P A R I S!", "P a R I S!"),
+        ]
         for testcase in testcases:
             all_caps, given, expected = testcase
             with self.configure_plugin({"all_caps": all_caps}):
@@ -153,7 +153,7 @@ class TestTitlecasePlugin(PluginTestCase):
             (True, "RBMK1000", "Rbmk1000"),
             (True, "pillow dub...", "pillow dub..."),
             (False, "pillow dub...", "Pillow Dub..."),
-                ]
+        ]
         for testcase in testcases:
             all_lowercase, given, expected = testcase
             with self.configure_plugin({"all_lowercase": all_lowercase}):