diff --git a/doc/src/dump.rst b/doc/src/dump.rst
index 843d2e4883..fb291a2bc3 100644
--- a/doc/src/dump.rst
+++ b/doc/src/dump.rst
@@ -1,4 +1,26 @@
 .. index:: dump
+.. index:: dump atom
+.. index:: dump cfg
+.. index:: dump custom
+.. index:: dump dcd
+.. index:: dump local
+.. index:: dump xtc
+.. index:: dump yaml
+.. index:: dump xyz
+.. index:: dump atom/gz
+.. index:: dump cfg/gz
+.. index:: dump custom/gz
+.. index:: dump local/gz
+.. index:: dump xyz/gz
+.. index:: dump atom/mpiio
+.. index:: dump cfg/mpiio
+.. index:: dump custom/mpiio
+.. index:: dump xyz/mpiio
+.. index:: dump atom/zstd
+.. index:: dump cfg/zstd
+.. index:: dump custom/zstd
+.. index:: dump xyz/zstd
+.. index:: dump local/zstd
 
 dump command
 ============
diff --git a/doc/src/dump_image.rst b/doc/src/dump_image.rst
index 0aeab34f60..9b16a7c133 100644
--- a/doc/src/dump_image.rst
+++ b/doc/src/dump_image.rst
@@ -1,4 +1,5 @@
 .. index:: dump image
+.. index:: dump movie
 
 dump image command
 ==================
diff --git a/doc/src/dump_netcdf.rst b/doc/src/dump_netcdf.rst
index d53a0a3b12..04790f4986 100644
--- a/doc/src/dump_netcdf.rst
+++ b/doc/src/dump_netcdf.rst
@@ -1,4 +1,5 @@
 .. index:: dump netcdf
+.. index:: dump netcdf/mpiio
 
 dump netcdf command
 ===================