diff --git a/Vaults/Vault-Of-Terminology.md b/Vaults/Vault-Of-Terminology.md
index 0b9f17ed..e35212cf 100644
--- a/Vaults/Vault-Of-Terminology.md
+++ b/Vaults/Vault-Of-Terminology.md
@@ -243,6 +243,12 @@ A proportional–integral–derivative controller
 Plug and play  
 </details>
 
+<details><summary><u>PPS</u></summary>
+
+Pedal Position Sensor
+</details>
+
+
 <details><summary><u>Primary Coil</u></summary>
 
 The primary winding of an ignition coil  
@@ -325,6 +331,11 @@ small outline integrated circuit
 Top Dead Center
 </details>
 
+<details><summary><u>TPS</u></summary>
+
+Throttle Position Sensor
+</details>
+
 <details><summary><u>TE</u></summary>
 
 TE connectors, they produce the ampseal connectors on the proteus and a lot of OEM ECUs.