diff --git a/exp/bidx_random.sh b/sh/fidx_random.sh
similarity index 84%
rename from exp/bidx_random.sh
rename to sh/fidx_random.sh
index 3ce45b7..bcdc131 100755
--- a/exp/bidx_random.sh
+++ b/sh/fidx_random.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-# generate random block indices
+# generate random feature indices
 
 row=$1
 col=$2
diff --git a/exp/fprob_calc.sh b/sh/fprob_calc.sh
similarity index 100%
rename from exp/fprob_calc.sh
rename to sh/fprob_calc.sh