diff --git a/checkers/misc.py b/checkers/misc.py
index eee5a7e9e..8ecf2b541 100644
--- a/checkers/misc.py
+++ b/checkers/misc.py
@@ -27,7 +27,7 @@ MSGS = {
     'W0511': ('%s',
               'fixme',
               'Used when a warning note as FIXME or XXX is detected.'),
-    'W0512': ('Cannot decode using encoding "%s", unexcepted byte at position %d',
+    'W0512': ('Cannot decode using encoding "%s", unexpected byte at position %d',
               'invalid-encoded-data',
               'Used when a source line cannot be decoded using the specified '
               'source file encoding.'),
diff --git a/test/messages/func_invalid_encoded_data.txt b/test/messages/func_invalid_encoded_data.txt
index 9dac648d8..4a5c17e25 100644
--- a/test/messages/func_invalid_encoded_data.txt
+++ b/test/messages/func_invalid_encoded_data.txt
@@ -1 +1 @@
-W:  6: Cannot decode using encoding "utf-8", unexcepted byte at position 11
+W:  6: Cannot decode using encoding "utf-8", unexpected byte at position 11
diff --git a/test/messages/func_toolonglines.txt b/test/messages/func_toolonglines.txt
index f8599f591..58bc984da 100644
--- a/test/messages/func_toolonglines.txt
+++ b/test/messages/func_toolonglines.txt
@@ -2,4 +2,4 @@ C:  1: Line too long (90/80)
 C:  2: Line too long (94/80)
 C: 11: Line too long (101/80)
 C: 17: Line too long (83/80)
-W: 11: Cannot decode using encoding "ascii", unexcepted byte at position 37
+W: 11: Cannot decode using encoding "ascii", unexpected byte at position 37