diff --git a/config.py b/config.py
index 92db0d27..f9e50981 100644
--- a/config.py
+++ b/config.py
@@ -89,8 +89,8 @@ UPPER_WORDS = {
     "generic": ("vpn", "ios", "xen", "sql", "lxc"),
     "outscale": ("osc",),
     "openstack": ("rpm", "loci", "nfv", "ec2api"),
-    "pve": ("pve"), # string? or tuple?
-    "ibm": ("ibm"), # string? or tuple?
+    "pve": ("pve",),
+    "ibm": ("ibm",),
     "snowflake": ("sn",),
 }