Fix SSH docs to use 2 dashes

docs/ssh.md

@@ -69,9 +69,9 @@ Secret (e.g. "git-creds" used in both above examples).
 ## Step 3: Configure git-sync container
 
 In your git-sync container configuration, mount the Secret volume at
-"/etc/git-secret". Ensure that the `-repo` flag (or the GIT_SYNC_REPO
+"/etc/git-secret". Ensure that the `--repo` flag (or the GIT_SYNC_REPO
 environment variable) is set to use the SSH protocol (e.g.
-git@github.com/foo/bar) , and set the `-ssh` flags (or set GIT_SYNC_SSH to
+git@github.com/foo/bar) , and set the `--ssh` flags (or set GIT_SYNC_SSH to
 "true").  You will also need to set your container's `securityContext` to run
 as user ID "65533" which is created for running git-sync as non-root.
 
@@ -81,10 +81,10 @@ as user ID "65533" which is created for running git-sync as non-root.
       - name: git-sync
         image: k8s.gcr.io/git-sync:v3.1.5
         args:
-         - "-ssh"
-         - "-repo=git@github.com:foo/bar"
-         - "-link=bar"
-         - "-branch=master"
+         - "--ssh"
+         - "--repo=git@github.com:foo/bar"
+         - "--link=bar"
+         - "--branch=master"
         volumeMounts:
         - name: git-secret
           mountPath: /etc/git-secret
@@ -140,11 +140,11 @@ spec:
       - name: git-sync
         image: k8s.gcr.io/git-sync:v3.1.5
         args:
-         - "-ssh"
-         - "-repo=git@github.com:torvalds/linux"
-         - "-link=linux"
-         - "-branch=master"
-         - "-depth=1"
+         - "--ssh"
+         - "--repo=git@github.com:torvalds/linux"
+         - "--link=linux"
+         - "--branch=master"
+         - "--depth=1"
         securityContext:
           runAsUser: 65533 # git-sync user
         volumeMounts: