diff --git a/README.md b/README.md
index 2ae5f3c..74b6e8f 100644
--- a/README.md
+++ b/README.md
@@ -24,10 +24,12 @@ git submodule init
 To update all submodules and print a list of those who received an update, run
 
 ```shell
-if stdout="$(git submodule update --remote)"; then
+if output="$(git submodule update --remote 2>&1)"; then
   # We capture only the part after "pkg" until the next "'" using sed
   # Source: https://unix.stackexchange.com/a/165590/315162 
-  sed 's|^Submodule path '\''pkg/\([^'\'']*\).*|\1|' <<< "$stdout"
+  sed 's|^Submodule path '\''pkg/\([^'\'']*\).*|\1|' <<< "$output"
+else
+  echo "$output"
 fi
 ```