diff --git a/ogcp/views.py b/ogcp/views.py
index ced0b0f..b2c1994 100644
--- a/ogcp/views.py
+++ b/ogcp/views.py
@@ -767,10 +767,10 @@ def image_fits_in_cache(server, ips, image_size):
         free_cache = cache_size - used_cache
         if free_cache < image_size:
             missing_cache = image_size - free_cache
-            err_report += f'{ip}: needs {(missing_cache / (1024 ** 3)):.3f} free GiB<br>'
+            err_report += f'{ip} requires {(missing_cache / (1024 ** 3)):.3f} free GiB<br>'
 
     if err_report:
-        flash(f'Client cache error:<br>{err_report}', category='error')
+        flash(f'No space left on cache:<br>{err_report}', category='error')
         return False
 
     return True