Minor wording corrections

spellchecker/src/com/intellij/spellchecker/SpellCheckerManager.java

@@ -332,7 +332,7 @@ public class SpellCheckerManager implements Disposable {
   }
 
   public enum DictionaryLevel {
-    APP("application-level"), PROJECT("project-level"), NOT_SPECIFIED("not specified");
+    APP("Application-level"), PROJECT("Project-level"), NOT_SPECIFIED("Not specified");
     private final String myName;
     private final static Map<String, DictionaryLevel> DICTIONARY_LEVELS =
       Maps.uniqueIndex(EnumSet.allOf(DictionaryLevel.class), DictionaryLevel::getName);

spellchecker/src/com/intellij/spellchecker/util/SpellCheckerBundle.properties

@@ -28,16 +28,16 @@ link.to.settings=Manage Dictionaries
 link.to.inspection.settings=Configure 'Spelling' inspection
 exact.rename.to=Typo: Rename to ''{0}''
 custom.dictionaries.title=Custom Dictionaries
-add.dictionary.description=Add custom dictionaries: plaintext word lists
+add.dictionary.description=Add custom dictionaries: plain text word lists
 hunspell.description=hunspell dictionaries
 bundled.dictionaries.title=Bundled Dictionaries
 dictionaries.panel.description=Enable/disable bundled dictionaries for your project
 custom.dictionary.title=Custom Dictionary
 add.custom.dictionaries=Add custom dictionaries
 edit.custom.dictionary=Edit custom dictionary
-custom.dictionary.not.found.title=Custom Dictionary Is not Found
+custom.dictionary.not.found.title=Custom Dictionary Is Not Found
 custom.dictionary.not.found=Custom dictionary is not found at path {0}
-dictionary.not.found.title=Dictionary is not Found
+dictionary.not.found.title=Dictionary Is Not Found
 dictionary.not.found=Dictionary is not found at path {0}
 remove.custom.dictionaries=Remove custom dictionaries
 no.words=No additional words
@@ -56,6 +56,6 @@ app.dictionary=Application-level dictionary
 built.in.dictionary=built-in
 words.list.dictionary=word list
 select.dictionary.title=Select dictionary
-max.number.of.corrections=Max number of corrections
-use.single.dictionary=Use single dictionary for words saving
+max.number.of.corrections=Maximum number of suggestions
+use.single.dictionary=Use single dictionary for saving words
 advanced.settings=Advanced settings
\ No newline at end of file