Fix typo

Signed-off-by: Jon Huhn <huhnjon@gmail.com>

cmd/helm/lint.go

@@ -177,7 +177,7 @@ func lintChart(path string, vals []byte, namespace string, strict bool) (support
 // vals merges values from files specified via -f/--values and
 // directly via --set or --set-string or --set-file, marshaling them to YAML
 //
-// This func is implemented intentionally and separately from the `vals` func for the `install` and `upgrade` comammdsn.
+// This func is implemented intentionally and separately from the `vals` func for the `install` and `upgrade` commands.
 // Compared to the alternative func, this func lacks the parameters for tls opts - ca key, cert, and ca cert.
 // That's because this command, `lint`, is explicitly forbidden from making server connections.
 func (l *lintCmd) vals() ([]byte, error) {