diff --git a/seminaries/qtmips/apo-sort/apo-sort-template.S b/seminaries/qtmips/apo-sort/apo-sort-template.S
index c777111b6e2dace194452a060caa314ae545263c..5fc2f8f29bb0e6dc7e1141cab55aa5cae91497a0 100644
--- a/seminaries/qtmips/apo-sort/apo-sort-template.S
+++ b/seminaries/qtmips/apo-sort/apo-sort-template.S
@@ -8,10 +8,17 @@
 // by internal assembler should be enough
 
 // copy directory with the project to your repository to
-// the directory work/bubble-sort
-// critical is location of the file work/bubble-sort/bubble-sort.S
+// the directory work/apo-sort
+// critical is location of the file work/apo-sort/apo-sort.S
+// and cache parameters work/apo-sort/d-cache.par
 // which is checked by the scripts
 
+// The file d-cache.par specifies D cache parameters in the form
+//   <policy>,<#sets>,<#words in block>,<#ways>,<write method>
+// The example is
+//   lru,1,1,1,wb
+// The cache size is limited to 16 words maximum.
+
 // Directives to make interesting windows visible
 #pragma qtmips show registers
 #pragma qtmips show memory