diff --git a/doc/src/fix_nve_limit.rst b/doc/src/fix_nve_limit.rst
index 35ed25084c..e46c7e5ea2 100644
--- a/doc/src/fix_nve_limit.rst
+++ b/doc/src/fix_nve_limit.rst
@@ -1,4 +1,5 @@
 .. index:: fix nve/limit
+.. index:: fix nve/limit/kk
 
 fix nve/limit command
 =====================
diff --git a/doc/src/fix_recenter.rst b/doc/src/fix_recenter.rst
index d5841cb51b..dbef13965e 100644
--- a/doc/src/fix_recenter.rst
+++ b/doc/src/fix_recenter.rst
@@ -1,4 +1,5 @@
 .. index:: fix recenter
+.. index:: fix recenter/kk
 
 fix recenter command
 ====================
diff --git a/doc/src/fix_wall_region.rst b/doc/src/fix_wall_region.rst
index 89b2919f92..526de55202 100644
--- a/doc/src/fix_wall_region.rst
+++ b/doc/src/fix_wall_region.rst
@@ -1,4 +1,5 @@
 .. index:: fix wall/region
+.. index:: fix wall/region/kk
 
 fix wall/region command
 =======================