diff --git a/book/src/programs.md b/book/src/programs.md
index fa596bb32..f4815163c 100644
--- a/book/src/programs.md
+++ b/book/src/programs.md
@@ -3,8 +3,8 @@
 A client *app* interacts with a Solana cluster by sending it *transactions*
 with one or more *instructions*. The Solana *runtime* passes those instructions
 to user-contributed *programs*. An instruction might, for example, tell a
-program to move *tokens* from one *account* to another or create an interactive
-contract that governs how tokens are moved. Instructions are executed
+program to move *lamports* from one *account* to another or create an interactive
+contract that governs how lamports are moved. Instructions are executed
 atomically. If any instruction is invalid, any changes made within the
 transaction are discarded.
 
diff --git a/book/src/runtime.md b/book/src/runtime.md
index 8165d5122..e1fda8be0 100644
--- a/book/src/runtime.md
+++ b/book/src/runtime.md
@@ -18,7 +18,7 @@ transaction fails to commit.
 
 ### Account Structure
 
-Accounts maintain a token balance and program-specific memory.
+Accounts maintain a lamport balance and program-specific memory.
 
 # Transaction Engine
 
@@ -33,7 +33,7 @@ memory is committed.
 
 The TVU runtime ensures that PoH verification occurs before the runtime
 processes any transactions.
- 
+
 <img alt="Runtime pipeline" src="img/runtime.svg" class="center"/>
 
 At the *execute* stage, the loaded accounts have no data dependencies, so all the
@@ -67,7 +67,7 @@ userdata array and assign it to a Program.
 
 * `Assign` - Allows the user to assign an existing account to a program.
 
-* `Move`  - Moves tokens between accounts.
+* `Move`  - Moves lamports between accounts.
 
 ## Program State Security
 
@@ -101,7 +101,7 @@ program, the Account's userdata is zero initialized.
 * Runtime guarantees that a program's code is the only code that can modify
 Account userdata that the Account is assigned to.
 
-* Runtime guarantees that the program can only spend tokens that are in
+* Runtime guarantees that the program can only spend lamports that are in
 accounts that are assigned to it.
 
 * Runtime guarantees the balances belonging to accounts are balanced before
diff --git a/book/src/tictactoe.md b/book/src/tictactoe.md
index dd95f0f5d..54d999b1e 100644
--- a/book/src/tictactoe.md
+++ b/book/src/tictactoe.md
@@ -23,13 +23,13 @@ Next, follow the steps in the git repository's
 [README](https://github.com/solana-labs/example-tictactoe/blob/master/README.md).
 
 
-## Getting tokens to users
+## Getting lamports to users
 
 You may have noticed you interacted with the Solana cluster without first
-needing to acquire tokens to pay transaction fees. Under the hood, the web
+needing to acquire lamports to pay transaction fees. Under the hood, the web
 app creates a new ephemeral identity and sends a request to an off-chain
 service for a signed transaction authorizing a user to start a new game.
 The service is called a *drone*. When the app sends the signed transaction
-to the Solana cluster, the drone's tokens are spent to pay the transaction
+to the Solana cluster, the drone's lamports are spent to pay the transaction
 fee and start the game. In a real world app, the drone might request the user
-watch an ad or pass a CAPTCHA before signing over its tokens.
+watch an ad or pass a CAPTCHA before signing over its lamports.
diff --git a/book/src/wallet.md b/book/src/wallet.md
index 422db217f..400761a69 100644
--- a/book/src/wallet.md
+++ b/book/src/wallet.md
@@ -14,7 +14,7 @@ $ solana-wallet address
 <PUBKEY>
 ```
 
-#### Airdrop Tokens
+#### Airdrop Lamports
 
 ```sh
 // Command
@@ -78,7 +78,7 @@ $ solana-wallet pay <PUBKEY> 123 \
 
 #### Authorized Transfer
 
-A third party must send a signature to unlock the tokens.
+A third party must send a signature to unlock the lamports.
 ```sh
 // Command
 $ solana-wallet pay <PUBKEY> 123 \
@@ -188,7 +188,7 @@ OPTIONS:
 
 SUBCOMMANDS:
     address                  Get your public key
-    airdrop                  Request a batch of tokens
+    airdrop                  Request a batch of lamports
     balance                  Get your balance
     cancel                   Cancel a transfer
     confirm                  Confirm transaction by signature
@@ -214,7 +214,7 @@ FLAGS:
 
 ```manpage
 solana-wallet-airdrop
-Request a batch of tokens
+Request a batch of lamports
 
 USAGE:
     solana-wallet airdrop <NUM>
@@ -224,7 +224,7 @@ FLAGS:
     -V, --version    Prints version information
 
 ARGS:
-    <NUM>    The number of tokens to request
+    <NUM>    The number of lamports to request
 ```
 
 ```manpage
@@ -311,11 +311,11 @@ FLAGS:
 OPTIONS:
         --after <DATETIME>                      A timestamp after which transaction will execute
         --require-timestamp-from <PUBKEY>       Require timestamp from this third party
-        --require-signature-from <PUBKEY>...    Any third party signatures required to unlock the tokens
+        --require-signature-from <PUBKEY>...    Any third party signatures required to unlock the lamports
 
 ARGS:
     <PUBKEY>    The pubkey of recipient
-    <NUM>       The number of tokens to send
+    <NUM>       The number of lamports to send
 ```
 
 ```manpage