diff --git a/conf/noarch/entropy/packages/packages.server.qa.exec b/conf/noarch/entropy/packages/packages.server.qa.exec
index 5d5e0150..aee87204 100755
--- a/conf/noarch/entropy/packages/packages.server.qa.exec
+++ b/conf/noarch/entropy/packages/packages.server.qa.exec
@@ -7,8 +7,9 @@
 #
 # It is used by Entropy Server QA routines to perform package metadata
 # validation.
-# Metadata is export in environmental variables form, and include:
+# Metadata is exported as environmental variables and stdin.
 #
+# Metadata from environment:
 # REPOSITORY_ID = repository identifier
 # PKG_ID = package identifier
 # PKG_ATOM = package atom
@@ -32,13 +33,17 @@
 # PKG_SIZE = package size, in bytes
 # PKG_REVISION = package entropy revision
 # PKG_DEPS = list (\n separated) of package dependencies and conflicts
-# PKG_NEEDED_LIBS = list (\n separated) of SONAMES required by package,
-#    including ELF class, so each item will look like this:
-#     <soname>|<elfclass>
-# PKG_PROVIDED_LIBS = list (\n separated) of SONAMES provided by package,
-#    note: elf class and path are also provided,
-#    so each item will look like this:
-#     <soname>|<path of soname>|<elfclass>
+
+# Metadata on stdin (more can be added in the future, so it's advisable
+# to ignore entries well formed but with unknown prefix):
+# PKG_NEEDED_LIB:
+#	SONAME required by package (one per line), including ELF class,
+#	so each line will look like this:
+#     PKG_NEEDED_LIB|<soname>|<elfclass>
+# PKG_PROVIDED_LIB:
+#	SONAME provided by package (one per line), note: elf class
+#	and path are also provided, so each line will look like this:
+#     PKG_PROVIDED_LIB|<soname>|<path of soname>|<elfclass>
 #
 # The executable must return 0 for success, 1 for warning, 2 for critical error