diff --git a/docs/ppl/commands.md b/docs/ppl/commands.md
index bb9893ae..034a8502 100644
--- a/docs/ppl/commands.md
+++ b/docs/ppl/commands.md
@@ -1,7 +1,7 @@
 ---
 layout: default
 title: Commands
-parent: Pipe Processing Language
+parent: Piped Processing Language
 nav_order: 4
 ---
 
diff --git a/docs/ppl/endpoint.md b/docs/ppl/endpoint.md
index 462e916c..8a3256c6 100644
--- a/docs/ppl/endpoint.md
+++ b/docs/ppl/endpoint.md
@@ -1,7 +1,7 @@
 ---
 layout: default
 title: Endpoint
-parent: Pipe Processing Language
+parent: Piped Processing Language
 nav_order: 1
 ---
 
diff --git a/docs/ppl/functions.md b/docs/ppl/functions.md
index fd23e47f..e0105461 100644
--- a/docs/ppl/functions.md
+++ b/docs/ppl/functions.md
@@ -1,7 +1,7 @@
 ---
 layout: default
 title: Functions
-parent: Pipe Processing Language
+parent: Piped Processing Language
 nav_order: 10
 ---
 
diff --git a/docs/ppl/protocol.md b/docs/ppl/protocol.md
index 15a3c0c5..63d04686 100644
--- a/docs/ppl/protocol.md
+++ b/docs/ppl/protocol.md
@@ -1,7 +1,7 @@
 ---
 layout: default
 title: Protocol
-parent: Pipe Processing Language
+parent: Piped Processing Language
 nav_order: 2
 ---
 
diff --git a/docs/ppl/settings.md b/docs/ppl/settings.md
index 5de75315..e3a80530 100644
--- a/docs/ppl/settings.md
+++ b/docs/ppl/settings.md
@@ -1,7 +1,7 @@
 ---
 layout: default
 title: Settings
-parent: Pipe Processing Language
+parent: Piped Processing Language
 nav_order: 3
 ---