IDLE: Fix typos in docs and comments (GH-13749)

(cherry picked from commit d9677f36fe486e86bb86f2cd59cb7fc3804bdac1)

Co-authored-by: Xtreak <tir.karthi@gmail.com>
diff --git a/Lib/idlelib/searchbase.py b/Lib/idlelib/searchbase.py
index 74ba853..4ed94f1 100644
--- a/Lib/idlelib/searchbase.py
+++ b/Lib/idlelib/searchbase.py
@@ -36,7 +36,7 @@
         text (Text searched): set in open(), only used in subclasses().
         ent (ry): created in make_entry() called from create_entry().
         row (of grid): 0 in create_widgets(), +1 in make_entry/frame().
-        default_command: set in subclasses, used in create_widgers().
+        default_command: set in subclasses, used in create_widgets().
 
         title (of dialog): class attribute, override in subclasses.
         icon (of dialog): ditto, use unclear if cannot minimize dialog.