diff --git a/doc/configuration.rst b/doc/configuration.rst
index 70a0534c..fd6a7eeb 100644
--- a/doc/configuration.rst
+++ b/doc/configuration.rst
@@ -941,6 +941,10 @@ Options
     comps file can not be found in the package set. When disabled (the
     default), such cases are still reported as warnings in the log.
 
+    With ``dnf`` gather backend, this option will abort the compose on any
+    missing package no matter if it's listed in comps, ``additional_packages``
+    or prepopulate file.
+
 **gather_source_mapping**
     (*str*) -- JSON mapping with initial packages for the compose. The value
     should be a path to JSON file with following mapping: ``{variant: {arch:
diff --git a/pungi/gather_dnf.py b/pungi/gather_dnf.py
index 35b45d73..decabc09 100644
--- a/pungi/gather_dnf.py
+++ b/pungi/gather_dnf.py
@@ -542,7 +542,9 @@ class Gather(GatherBase):
                             pkgs = self.q_binary_packages.filter(**kwargs).apply()
 
                 if not pkgs:
-                    self.logger.error("No package matches pattern %s" % pattern)
+                    self.logger.error(
+                        "Could not find a match for %s in any configured repo", pattern
+                    )
 
                 # The pattern could have been a glob. In that case we want to
                 # group the packages by name and get best match in those