diff --git a/content/docs/command-reference/metrics/diff.md b/content/docs/command-reference/metrics/diff.md
index daec243ab7..9f22f21f61 100644
--- a/content/docs/command-reference/metrics/diff.md
+++ b/content/docs/command-reference/metrics/diff.md
@@ -56,6 +56,9 @@ lists all the current metrics without comparisons.
   $ dvc metrics diff HEAD v1 --targets t1.json t2.json
   ```
 
+  Note, that when using `--targets` it is possible to `diff` files that are not
+  specifically marked as metrics.
+
 - `-R`, `--recursive` - determines the metric files to use by searching each
   target directory and its subdirectories for DVC-files to inspect. If there are
   no directories among the `targets`, this option is ignored.
diff --git a/content/docs/command-reference/metrics/show.md b/content/docs/command-reference/metrics/show.md
index 35d4220281..eb8e9f61b6 100644
--- a/content/docs/command-reference/metrics/show.md
+++ b/content/docs/command-reference/metrics/show.md
@@ -22,11 +22,11 @@ Finds and prints all metrics in the <abbr>project</abbr> by examining all of its
 > This kind of metrics can be defined with the `-m` (`--metrics`) and `-M`
 > (`--metrics-no-cache`) options of `dvc run`.
 
-If `targets` are provided, it will show those specific metric files instead.
-With the `-a` or `-T` options, this command shows the different metrics values
-across all Git branches or tags, respectively. With the `-R` option, some of the
-target can even be directories, so that DVC recursively shows all metric files
-inside.
+If `targets` are provided, it will show those specific files instead, even if
+they are not found as `metrics` in `dvc.yaml`. With the `-a` or `-T` options,
+this command shows the different metrics values across all Git branches or tags,
+respectively. With the `-R` option, some of the target can even be directories,
+so that DVC recursively shows all metric files inside.
 
 An alternative way to display metrics is the `dvc metrics diff` command, which
 compares them with a previous version.