diff --git a/Lib/idlelib/FormatParagraph.py b/Lib/idlelib/FormatParagraph.py
index 02f96d4..6a5f9b5 100644
--- a/Lib/idlelib/FormatParagraph.py
+++ b/Lib/idlelib/FormatParagraph.py
@@ -54,7 +54,7 @@
             # If the block ends in a \n, we dont want the comment
             # prefix inserted after it. (Im not sure it makes sense to
             # reformat a comment block that isnt made of complete
-            # lines, but whatever!)  Can't think of a clean soltution,
+            # lines, but whatever!)  Can't think of a clean solution,
             # so we hack away
             block_suffix = ""
             if not newdata[-1]:
diff --git a/Lib/idlelib/extend.txt b/Lib/idlelib/extend.txt
index f5fb3e0..165e044 100644
--- a/Lib/idlelib/extend.txt
+++ b/Lib/idlelib/extend.txt
@@ -18,7 +18,7 @@
 
 An IDLE extension class is instantiated with a single argument,
 `editwin', an EditorWindow instance. The extension cannot assume much
-about this argument, but it is guarateed to have the following instance
+about this argument, but it is guaranteed to have the following instance
 variables:
 
     text	a Text instance (a widget)
diff --git a/Lib/idlelib/macosxSupport.py b/Lib/idlelib/macosxSupport.py
index 722ac54..4be60a3 100644
--- a/Lib/idlelib/macosxSupport.py
+++ b/Lib/idlelib/macosxSupport.py
@@ -53,8 +53,8 @@
 
 def addOpenEventSupport(root, flist):
     """
-    This ensures that the application will respont to open AppleEvents, which
-    makes is feaseable to use IDLE as the default application for python files.
+    This ensures that the application will respond to open AppleEvents, which
+    makes is feasible to use IDLE as the default application for python files.
     """
     def doOpenFile(*args):
         for fn in args: