feat(route): add warning about writing metadata & PDF/A compliance, a…

…nd emphasize the compresse feature of the LibreOffice route

docs/routes.mdx

@@ -892,6 +892,12 @@ list of available metadata.
 
 :::
 
+:::caution
+
+Writing metadata may compromise PDF/A compliance.
+
+:::
+
 <Tabs
 defaultValue="curl"
 values={[
@@ -977,6 +983,13 @@ The next route leverage the capabilities of LibreOffice to effectively transform
 
 Checkout the [LibreOffice module configuration](configuration#libreoffice) to tailor the LibreOffice behavior to your needs.
 
+:::tip
+
+This route mainly targets Office documents, but you can also use it to manipulate PDFs, for instance by compressing
+images.
+
+:::
+
 ### Office documents into PDFs <span class="badge badge--secondary">route</span>
 
 This *multipart/form-data* route convert one or more Office documents into PDF.
@@ -1274,7 +1287,7 @@ curl \
 </Tabs>
 
 
-### Images {#images-libreoffice}
+### Compress {#compress-libreoffice}
 
 The route accepts the following form fields:
 
@@ -1300,7 +1313,7 @@ curl \
 --form losslessImageCompression=false \
 --form quality=50 \
 --form reduceImageResolution=true \
---form maxImageResolution=150 \
+--form maxImageResolution=75 \
 -o my.pdf
 ```
 
@@ -1391,6 +1404,12 @@ list of available metadata.
 
 :::
 
+:::caution
+
+Writing metadata may compromise PDF/A compliance.
+
+:::
+
 <Tabs
 defaultValue="curl"
 values={[
@@ -1643,6 +1662,12 @@ list of available metadata.
 
 :::
 
+:::caution
+
+Writing metadata may compromise PDF/A compliance.
+
+:::
+
 <Tabs
 defaultValue="curl"
 values={[