Spelling fixes in our doc

Found using `mdspell -a -n --en-us "**/*.md"`. At some point we might want to have a built in ignore dictionary to avoid false positives.

(cherry picked from commit 7b87070)

docs/developers/README.md

@@ -163,7 +163,7 @@ TaskRun Pods. Without intervention sidecars will typically run for the entire
 lifetime of a Pod but in Tekton's case it's desirable for the sidecars to run
 only as long as Steps take to complete. There's also a need for Tekton to
 schedule the sidecars to start before a Task's Steps begin, just in case the
-Steps rely on a sidecars behaviour, for example to join an Istio service mesh.
+Steps rely on a sidecars behavior, for example to join an Istio service mesh.
 To handle all of this, Tekton Pipelines implements the following lifecycle
 for sidecar containers:
 

docs/install.md

@@ -105,7 +105,7 @@ for more information.
    ```
    See the
    [OpenShift CLI documentation](https://docs.openshift.com/container-platform/4.3/cli_reference/openshift_cli/getting-started-cli.html)
-   for more inforomation on the `oc` command.
+   for more information on the `oc` command.
 
 1. Monitor the installation using the following command until all components show a `Running` status:
 

docs/pipelineruns.md

@@ -59,7 +59,7 @@ following fields:
 
 ### Specifying a pipeline
 
-Since a `PipelineRun` is an invocation of a [`Pipeline`](pipelines.md), you must sepcify
+Since a `PipelineRun` is an invocation of a [`Pipeline`](pipelines.md), you must specify
 what `Pipeline` to invoke.
 
 You can do this by providing a reference to an existing `Pipeline`:
@@ -122,7 +122,7 @@ When running a [`Pipeline`](pipelines.md), you will need to specify the
 be run with different `PipelineResources` in cases such as:
 
 - When triggering the run of a `Pipeline` against a pull request, the triggering
-  system must specify the commitish of a git `PipelineResource` to use
+  system must specify the commit-ish of a git `PipelineResource` to use
 - When invoking a `Pipeline` manually against one's own setup, one will need to
   ensure one's own GitHub fork (via the git `PipelineResource`), image
   registry (via the image `PipelineResource`) and Kubernetes cluster (via the

docs/pipelines.md

@@ -131,16 +131,16 @@ This will tell Tekton to take whatever workspace is provided by the PipelineRun
 with name "pipeline-ws1" and wire it into the "output" workspace expected by
 the gen-code task. The same workspace will then also be wired into the "src" workspace
 expected by the commit task. If the workspace provided by the PipelineRun is a
-persitent volume claim then we have successfully shared files between the two tasks!
+persistent volume claim then we have successfully shared files between the two tasks!
 
 #### Workspaces Don't Imply Task Ordering (Yet)
 
 One usecase for workspaces in `Pipeline`s is to provide a PVC to multiple `Task`s
-and have one or some write to it before the others read from it. This kind of behaviour
+and have one or some write to it before the others read from it. This kind of behavior
 relies on the order of the `Task`s - one writes, the next reads, and so on - but this
 ordering is not currently enforced by Tekton. This means that `Task`s which write to a
 PVC may be run at the same time as `Task`s expecting to read that data. In the worst case
-this can result in deadlock behaviour where multiple `Task`'s pods are all attempting
+this can result in deadlock behavior where multiple `Task`'s pods are all attempting
 to mount a PVC for writing at the same time.
 
 To avoid this situation `Pipeline` authors can explicitly declare the ordering of `Task`s

docs/podtemplates.md

@@ -7,7 +7,7 @@ configuration that will be used as the basis for the `Task` pod.
 This allows to customize some Pod specific field per `Task` execution, aka `TaskRun`.
 
 Alternatively, you can also define a default pod template in tekton config, see [here](./install.md)
-When a pod template is specified for a `PipelineRun` or `TaskRun`, the default pod template is ignored, ie
+When a pod template is specified for a `PipelineRun` or `TaskRun`, the default pod template is ignored, i.e.
 both templates are **NOT** merged, it's always one or the other.
 
 ---
@@ -49,7 +49,7 @@ The current fields supported are:
 - `schedulerName` the name of the 
   [scheduler](https://kubernetes.io/docs/tasks/administer-cluster/configure-multiple-schedulers/)
   to use when dispatching the Pod. This can be used when workloads of specific types need specific schedulers,
-  eg: If you are using volcano.sh for Machine Learning Workloads, you can pass the schedulerName and have Tasks be 
+  e.g.: If you are using volcano.sh for Machine Learning Workloads, you can pass the schedulerName and have Tasks be 
   dispatched by the volcano.sh scheduler.
 
 

docs/resources.md

@@ -75,7 +75,7 @@ refer to the local path to the mounted resource.
 
 ### Variable substitution
 
-`Task` and `Condition` specs can refer resource params as well as pre-defined
+`Task` and `Condition` specs can refer resource params as well as predefined
 variables such as `path` using the variable substitution syntax below where
 `<name>` is the resource's `name` and `<key>` is one of the resource's `params`:
 
@@ -99,7 +99,7 @@ $(resources.<name>.<key>)
 
 #### Accessing local path to resource
 
-The `path` key is pre-defined and refers to the local path to a resource on the
+The `path` key is predefined and refers to the local path to a resource on the
 mounted volume `shell $(resources.inputs.<name>.path)`
 
 ### Controlling where resources are mounted
@@ -472,7 +472,7 @@ https://godoc.org/github.com/jenkins-x/go-scm/scm#State
 
 #### Pull Request
 
-The `pullRequest` resource will look for GitHub or Gitlab OAuth authentication
+The `pullRequest` resource will look for GitHub or GitLab OAuth authentication
 tokens in spec secrets with a field name called `authToken`.
 
 URLs should be of the form: https://github.com/tektoncd/pipeline/pull/1

docs/taskruns.md

@@ -197,7 +197,7 @@ allows to customize some Pod specific field per `Task` execution, aka `TaskRun`.
 
 In the following example, the Task is defined with a `volumeMount`
 (`my-cache`), that is provided by the TaskRun, using a
-PersistenceVolumeClaim. The SchedulerName has also been provided to define which scheduler should be used to
+PersistentVolumeClaim. The SchedulerName has also been provided to define which scheduler should be used to
 dispatch the Pod. The Pod will also run as a non-root user.
 
 ```yaml
@@ -346,7 +346,7 @@ Fields include start and stop times for the `TaskRun` and each `Step` and exit c
 For each step we also include the fully-qualified image used, with the digest.
 
 If any pods have been [`OOMKilled`](https://kubernetes.io/docs/tasks/administer-cluster/out-of-resource/)
-by Kubernetes, the `Taskrun` will be marked as failed even if the exitcode is 0.
+by Kubernetes, the `Taskrun` will be marked as failed even if the exit code is 0.
 
 ### Steps
 
@@ -689,7 +689,7 @@ Typical examples of the sidecar pattern are logging daemons, services to
 update files on a shared volume, and network proxies.
 
 Tekton will happily work with sidecars injected into a TaskRun's
-pods but the behaviour is a bit nuanced: When TaskRun's steps are complete
+pods but the behavior is a bit nuanced: When TaskRun's steps are complete
 any sidecar containers running inside the Pod will be terminated. In
 order to terminate the sidecars they will be restarted with a new
 "nop" image that quickly exits. The result will be that your TaskRun's