Merge pull request #1264 from zhxcai/typo

Automatic merge from submit-queue.

fix some typos

contributors/design-proposals/api-machinery/protobuf.md

@@ -301,7 +301,7 @@ that the returned value is not in the known type.
 We add the `contentEncoding` field here to preserve room for future
 optimizations like encryption-at-rest or compression of the nested content.
 Clients should error when receiving an encoding they do not support.
-Negotioting encoding is not defined here, but introducing new encodings
+Negotiating encoding is not defined here, but introducing new encodings
 is similar to introducing a schema change or new API version.
 
 A client should use the `kind` and `apiVersion` fields to identify the

contributors/design-proposals/api-machinery/server-get.md

@@ -18,7 +18,7 @@ schema). `get` supports a `wide` mode that includes additional columns. Users ca
 flag. Headers corresponding to the columns are optionally displayed.
 
 `kubectl describe` shows a textual representation of individual objects that describes individual fields as subsequent
-lines and uses indendation and nested tables to convey deeper structure on the resource (such as events for a pod or
+lines and uses indentation and nested tables to convey deeper structure on the resource (such as events for a pod or
 each container). It sometimes retrieves related objects like events, pods for a replication controller, or autoscalers
 for a deployment. It supports no significant flags.
 

contributors/design-proposals/api-machinery/synchronous-garbage-collection.md

@@ -124,7 +124,7 @@ In addition, if an object popped from `dirtyQueue` is marked as "GC in progress"
 * To avoid racing with another controller, it requeues the object if `observedGeneration < Generation`. This is best-effort, see [unhandled cases](#unhandled-cases).
 * Checks if the object has dependents
   * If not, send a PUT request to remove the `GCFinalizer`;
-  * If so, then add all dependents to the `dirtryQueue`; we need bookkeeping to avoid adding the dependents repeatedly if the owner gets in the `synchronousGC queue` multiple times.
+  * If so, then add all dependents to the `dirtyQueue`; we need bookkeeping to avoid adding the dependents repeatedly if the owner gets in the `synchronousGC queue` multiple times.
 
 ## Controllers
 

contributors/design-proposals/architecture/0000-kep-template.md

@@ -77,7 +77,7 @@ superseded-by:
 ## Table of Contents
 
 A table of contents is helpful for quickly jumping to sections of a KEP and for
-highlighting any addtional information provided beyond the standard KEP
+highlighting any additional information provided beyond the standard KEP
 template. [Tools for generating][] a table of contents from markdown are
 available.