Fix outdated documentation (#2362)

diff --git a/docs/ipc b/docs/ipc
index f6f6c9288f30f234831fc795ed7d377c2e92f49f..033d5018d666b69801d441293b1226b37dcca65c 100644 (file)
--- a/docs/ipc
+++ b/docs/ipc
@@ -285,7 +285,7 @@ type (string)::
        Type of this container. Can be one of "root", "output", "con",
        "floating_con", "workspace" or "dockarea".
 border (string)::
-       Can be either "normal", "none" or "1pixel", depending on the
+       Can be either "normal", "none" or "pixel", depending on the
        container’s border style.
 current_border_width (integer)::
        Number of pixels of the border width.