diff --git a/prnt/filters/hpps b/prnt/filters/hpps
index d6220ba..943fee0 100644
--- a/prnt/filters/hpps
+++ b/prnt/filters/hpps
@@ -145,7 +145,7 @@ END_JOB = b"\x1b%-12345X@PJL EOJ\x0a\x1b%-12345X"
 try:
     ppd_str = to_string_utf8(open(ppd_file, 'rb').read())
 except IOError:
-    bug("Unabel to read PPD File")
+    bug("Unable to read PPD file")
     sys.exit(CUPS_FILTER_FAILED)
 
 opts = {}