Tiny fixes

Author: aetter

docs/ism/settings.md

@@ -5,7 +5,7 @@ parent: Index State Management
 nav_order: 4
 ---
 
-# Settings
+# ISM Settings
 
 We don't recommend changing these settings; the defaults should work well for most use cases.
 

docs/knn/index.md

@@ -41,7 +41,7 @@ PUT my-index
 
 The `knn_vector` data type supports a single list of up to 10,000 floats, with the number of floats defined by the required dimension parameter.
 
-In Elasticsearch, codecs handle the storage and retrieval of indices. The KNN plugin uses a custom codec to writes vector data to a graph so that the underlying KNN search library can read it.
+In Elasticsearch, codecs handle the storage and retrieval of indices. The KNN plugin uses a custom codec to write vector data to a graph so that the underlying KNN search library can read it.
 {: .tip }
 
 After you create the index, add some data to it:

docs/knn/settings.md

@@ -5,7 +5,7 @@ parent: KNN
 nav_order: 10
 ---
 
-# Settings
+# KNN Settings
 
 The KNN plugin adds several new index settings, cluster settings, and statistics.