diff --git a/README.md b/README.md
index 639286ba9f..059ef2f742 100644
--- a/README.md
+++ b/README.md
@@ -178,12 +178,12 @@ HTTP based JSON-RPC API options:
   * `--http` Enable the HTTP-RPC server
   * `--http.addr` HTTP-RPC server listening interface (default: `localhost`)
   * `--http.port` HTTP-RPC server listening port (default: `8545`)
-  * `--http.api` API's offered over the HTTP-RPC interface (default: `eth,net,web3`)
+  * `--http.api` APIs offered over the HTTP-RPC interface (default: `eth,net,web3`)
   * `--http.corsdomain` Comma separated list of domains from which to accept cross-origin requests (browser enforced)
   * `--ws` Enable the WS-RPC server
   * `--ws.addr` WS-RPC server listening interface (default: `localhost`)
   * `--ws.port` WS-RPC server listening port (default: `8546`)
-  * `--ws.api` API's offered over the WS-RPC interface (default: `eth,net,web3`)
+  * `--ws.api` APIs offered over the WS-RPC interface (default: `eth,net,web3`)
   * `--ws.origins` Origins from which to accept WebSocket requests
   * `--ipcdisable` Disable the IPC-RPC server
   * `--ipcpath` Filename for IPC socket/pipe within the datadir (explicit paths escape it)