diff --git a/sc2/doc/devel/strtab b/sc2/doc/devel/strtab
index 94a56bd7d..1127a75a4 100644
--- a/sc2/doc/devel/strtab
+++ b/sc2/doc/devel/strtab
@@ -1,22 +1,34 @@
 This is the format for resources of type STRTAB. It contains a number of
-entries of unspecified data (not necessarilly strings).
+items of unspecified data (not necessarilly strings).
 This is used for game strings (extension .txt), colour tables (.ct),
 and colour translation tables (.xlt).
 
+Everything is stored MSB first unless otherwise specified.
+
 position   length  meaning
            4       Unknown, always 0xffffffff
            2       Unknown, always 0x0000
-           2       number of entries in the file (StringCount)
+           2       number of items in the file (StringCount)
 
 Followed by:
   In file:
            4       Placeholder, always 0x00000000
-    numentries times:
+    numitems times:
            4       length of string
   In memory:
-    numentries times:
+    numitems times:
            4       offset from &StringCount to the string
     followed by:
            4       offset from &StringCount until one char past the end
                    of the last string.
 
+
+For .ct files an item is as follows:
+           1       Index of first clut in this item.
+           1       Index of last clut in this item.
+  For each item:
+    32 palette entries:
+           2       bits 0-4: blue value
+                   bits 5-9: green value
+                   bits 10-15: red value
+