diff --git a/README.md b/README.md
index d9e564a..daea1af 100644
--- a/README.md
+++ b/README.md
@@ -358,7 +358,7 @@
 To enable debugging for kinds/languages not supported out of the box, you can specify these cli arguments manually:
 
 * `--internal-port` the actual language debug port inside the container
-* `--command` override the docker run command for the image to e.g. pass a debug flag to the language enviroment
+* `--command` override the docker run command for the image to e.g. pass a debug flag to the language environment
 * `--port` (optional) the port as it will be exposed from the container to the host, i.e. to what clients will connect to. defaults to `--internal-port` if set
 * `--image` (optional) control the docker image used as runtime for the action
 
@@ -415,7 +415,7 @@
 <a name="hit-condition"></a>
 ### Hit condition
 
-If an action is invoked frequently but you only want to catch certain invocations, such as ones you control, you can set a condition to limit when the debugger should be invoked using `-c` or `--condition`. This must be a javascript expression which will be evaluated agains the input parameters.
+If an action is invoked frequently but you only want to catch certain invocations, such as ones you control, you can set a condition to limit when the debugger should be invoked using `-c` or `--condition`. This must be a javascript expression which will be evaluated against the input parameters.
 
 For example, with a condition like this:
 
diff --git a/agent/agent-ngrok.js b/agent/agent-ngrok.js
index ccb8deb..f90df9d 100644
--- a/agent/agent-ngrok.js
+++ b/agent/agent-ngrok.js
@@ -66,7 +66,7 @@
                 console.log("response: ", resp.statusCode);
                 let body = '';
 
-                // A chunk of data has been recieved.
+                // A chunk of data has been received.
                 resp.on('data', (chunk) => {
                     body += chunk;
                 });
diff --git a/src/invoker.js b/src/invoker.js
index d1f1125..e0cdf37 100644
--- a/src/invoker.js
+++ b/src/invoker.js
@@ -118,7 +118,7 @@
 
         // this must run after initial build was kicked off in Debugger so that built files are present
 
-        // kind and image - precendence:
+        // kind and image - precedence:
         // 1. arguments (this.image)
         // 2. action (action.exec.image)
         // 3. defaults (kinds.images[kind])