diff --git a/fastlib/script/fx-cleanup b/fastlib/script/fx-cleanup
index ef1790f606..0a942a60d9 100755
--- a/fastlib/script/fx-cleanup
+++ b/fastlib/script/fx-cleanup
@@ -4,10 +4,10 @@ USAGE = """fx-cleanup: Shows a status summary of a FASTexec experiment.
 
 Example:
 
-  fx-status knn_k ./main           # removes status files of failed trials
-  fx-status knn_k ./main --purge   # removes entire directories of
+  fx-cleanup knn_k ./main           # removes status files of failed trials
+  fx-cleanup knn_k ./main --purge   # removes entire directories of
                                      failed trials
-  fx-status knn_k ./main --nuke    # removes all directories of all trials
+  fx-cleanup knn_k ./main --nuke    # removes all directories of all trials
 
 The point of fx-cleanup is to allow the re-running of trials.
 The normal use (with no special options) allows the re-running of trials
diff --git a/fastlib/script/util.py b/fastlib/script/util.py
index bb4715166b..8ff46a794e 100644
--- a/fastlib/script/util.py
+++ b/fastlib/script/util.py
@@ -227,7 +227,7 @@ def shellquote(s):
     if c in map.keys():
       result += map[c]
       changed = True
-    elif c.isalnum() or c == '/':
+    elif c.isalnum() or c in "/._-":
       result += c
     else:
       result += c