diff --git a/doc/Doxyfile b/doc/Doxyfile
index 8e380c169..1a61fbe02 100644
--- a/doc/Doxyfile
+++ b/doc/Doxyfile
@@ -810,7 +810,6 @@ INPUT                  += \
                          changelog.md \
                          compression.md \
                          concurrency.md \
-                         directory_structure.md \
                          event.md \
                          ftl.md \
                          gdb_macros.md \
@@ -827,6 +826,7 @@ INPUT                  += \
                          nvmf.md \
                          nvmf_tgt_pg.md \
                          nvmf_tracing.md \
+                         overview.md \
                          peer_2_peer.md \
                          porting.md \
                          spdkcli.md \
diff --git a/doc/concepts.md b/doc/concepts.md
index 84c91f32e..11019a485 100644
--- a/doc/concepts.md
+++ b/doc/concepts.md
@@ -5,4 +5,5 @@
 - @subpage concurrency
 - @subpage ssd_internals
 - @subpage vhost_processing
+- @subpage overview
 - @subpage porting
diff --git a/doc/general.md b/doc/general.md
index ac16dc409..4b61540a6 100644
--- a/doc/general.md
+++ b/doc/general.md
@@ -1,6 +1,5 @@
 # General Information {#general}
 
-- @subpage directory_structure
 - @subpage event
 - @subpage logical_volumes
 - @subpage vpp_integration
diff --git a/doc/directory_structure.md b/doc/overview.md
similarity index 99%
rename from doc/directory_structure.md
rename to doc/overview.md
index 559f3a59e..42ac62f43 100644
--- a/doc/directory_structure.md
+++ b/doc/overview.md
@@ -1,4 +1,4 @@
-# SPDK Directory Structure {#directory_structure}
+# SPDK Structural Overview {#overview}
 
 # Overview {#dir_overview}
 
diff --git a/doc/ssd_internals.md b/doc/ssd_internals.md
index 532290fcb..f11ad9802 100644
--- a/doc/ssd_internals.md
+++ b/doc/ssd_internals.md
@@ -1,4 +1,4 @@
-# SSD Internals {#ssd_internals}
+# NAND Flash SSD Internals {#ssd_internals}
 
 Solid State Devices (SSD) are complex devices and their performance depends on
 how they're used. The following description is intended to help software