Issue #27895:  Spelling fixes (Contributed by Ville Skyttä).
diff --git a/Lib/email/header.py b/Lib/email/header.py
index 6820ea1..c7b2dd9 100644
--- a/Lib/email/header.py
+++ b/Lib/email/header.py
@@ -49,7 +49,7 @@
 
 # Find a header embedded in a putative header value.  Used to check for
 # header injection attack.
-_embeded_header = re.compile(r'\n[^ \t]+:')
+_embedded_header = re.compile(r'\n[^ \t]+:')
 
 
 
@@ -385,7 +385,7 @@
         if self._chunks:
             formatter.add_transition()
         value = formatter._str(linesep)
-        if _embeded_header.search(value):
+        if _embedded_header.search(value):
             raise HeaderParseError("header value appears to contain "
                 "an embedded header: {!r}".format(value))
         return value