diff --git a/docs/io.rst b/docs/io.rst
index 32116929..88e14b57 100644
--- a/docs/io.rst
+++ b/docs/io.rst
@@ -20,7 +20,7 @@ WFDB Records
               multi_to_single
 
 
-WFDB Anotations
+WFDB Annotations
 ---------------
 
 .. automodule:: wfdb.io
diff --git a/docs/wfdb.rst b/docs/wfdb.rst
index d023a244..d49dc472 100644
--- a/docs/wfdb.rst
+++ b/docs/wfdb.rst
@@ -20,7 +20,7 @@ WFDB Records
               multi_to_single
 
 
-WFDB Anotations
+WFDB Annotations
 ---------------
 
 .. automodule:: wfdb