Change reference of feature gate to feature flag

keps/sig-storage/3141-prevent-volume-mode-conversion/README.md

@@ -3,26 +3,26 @@
 
 To get started with this template:
 
-- [ ] **Pick a hosting SIG.**
+- [x] **Pick a hosting SIG.**
   Make sure that the problem space is something the SIG is interested in taking
   up. KEPs should not be checked in without a sponsoring SIG.
-- [ ] **Create an issue in kubernetes/enhancements**
+- [x] **Create an issue in kubernetes/enhancements**
   When filing an enhancement tracking issue, please make sure to complete all
   fields in that template. One of the fields asks for a link to the KEP. You
   can leave that blank until this KEP is filed, and then go back to the
   enhancement and add the link.
-- [ ] **Make a copy of this template directory.**
+- [x] **Make a copy of this template directory.**
   Copy this template into the owning SIG's directory and name it
   `NNNN-short-descriptive-title`, where `NNNN` is the issue number (with no
   leading-zero padding) assigned to your enhancement above.
-- [ ] **Fill out as much of the kep.yaml file as you can.**
+- [x] **Fill out as much of the kep.yaml file as you can.**
   At minimum, you should fill in the "Title", "Authors", "Owning-sig",
   "Status", and date-related fields.
-- [ ] **Fill out this file as best you can.**
+- [x] **Fill out this file as best you can.**
   At minimum, you should fill in the "Summary" and "Motivation" sections.
   These should be easy if you've preflighted the idea of the KEP with the
   appropriate SIG(s).
-- [ ] **Create a PR for this KEP.**
+- [x] **Create a PR for this KEP.**
   Assign it to people in the SIG who are sponsoring this process.
 - [ ] **Merge early and iterate.**
   Avoid getting hung up on specific details and instead aim to get the goals of
@@ -256,8 +256,9 @@ Consider including folks who also work outside the SIG or subproject.
 
 ## Design Details
 
-A new out-of-tree flag named `PreventVolumeModeConversion` will be introduced on `external-snapshotter`
-and `external-provisioner`. Both of these components are out-of-tree so this proposal will not require any in-tree feature gates. 
+A new out-of-tree flag named `PreventVolumeModeConversion` will be introduced on 
+`external-snapshotter` and `external-provisioner`. Both of these components are 
+out-of-tree so this proposal will not require any in-tree feature gates. 
 
 ### Changes to VolumeSnapshotContent API
 
@@ -334,10 +335,10 @@ and without requisite privileges.
 
 #### Unit tests
 
-- With feature gate disabled:
+- With feature flag disabled:
   - attempt to convert volume mode when creating a `PVC`
   from a `VolumeSnapshot`.
-- With feature gate enabled, attempt to convert volume mode when creating a `PVC`
+- With feature flag enabled, attempt to convert volume mode when creating a `PVC`
 from a `VolumeSnapshot`:
   - With `Spec.SourceVolumeMode` populated and `snapshot.storage.kubernetes.io/allowVolumeModeChange: true`
   annotation present.
@@ -347,7 +348,7 @@ from a `VolumeSnapshot`:
 
 #### E2E tests
 
-- Attempt to convert volume mode when creating a `PVC`from a `VolumeSnapshot`:
+- Attempt to convert volume mode when creating a `PVC` from a `VolumeSnapshot`:
   - With `Spec.SourceVolumeMode` populated and `snapshot.storage.kubernetes.io/allowVolumeModeChange: true`
     annotation present.
   - With `Spec.SourceVolumeMode` populated but no `snapshot.storage.kubernetes.io/allowVolumeModeChange: true`
@@ -368,7 +369,7 @@ from a `VolumeSnapshot`:
 
 #### Beta -> GA
 
-- Deployed in production in use by backup vendors. 
+- Deployed in production and in use by backup software. 
 - Gone through one kubernetes upgrade.
 
 ### Upgrade / Downgrade Strategy
@@ -430,8 +431,8 @@ was disabled will not have the new capabilities.
 
 ###### Are there any tests for feature enablement/disablement?
 
-We will add unit tests with and without the feature gate enabled. The expectation
-is for new fields in `VolumeSnapshotContent` to be dropped when the feature gate
+We will add unit tests with and without the feature flag enabled. The expectation
+is for new fields in `VolumeSnapshotContent` to be dropped when the feature flag
 is disabled.
 
 ### Rollout, Upgrade and Rollback Planning