diff --git a/scripts/arcanist.php b/scripts/arcanist.php
--- a/scripts/arcanist.php
+++ b/scripts/arcanist.php
@@ -319,7 +319,7 @@
       try {
         id(new $listener())->register();
       } catch (PhutilMissingSymbolException $ex) {
-        // Continue anwyay, since you may otherwise be unable to run commands
+        // Continue anyway, since you may otherwise be unable to run commands
         // like `arc set-config events.listeners` in order to repair the damage
         // you've caused. We're writing out the entire exception here because
         // it might not have been triggered by the listener itself (for example,
diff --git a/src/hgdaemon/ArcanistHgProxyClient.php b/src/hgdaemon/ArcanistHgProxyClient.php
--- a/src/hgdaemon/ArcanistHgProxyClient.php
+++ b/src/hgdaemon/ArcanistHgProxyClient.php
@@ -94,7 +94,7 @@
 
     // Note that we're adding "runcommand" to make the server run the command.
     // Theoretically the server supports other capabilities, but in practice
-    // we are only concerend with "runcommand".
+    // we are only concerned with "runcommand".
 
     $server->write(array_merge(array('runcommand'), $argv));
 
diff --git a/src/hgdaemon/ArcanistHgProxyServer.php b/src/hgdaemon/ArcanistHgProxyServer.php
--- a/src/hgdaemon/ArcanistHgProxyServer.php
+++ b/src/hgdaemon/ArcanistHgProxyServer.php
@@ -211,7 +211,8 @@
       foreach ($clients as $key => $client) {
         if ($this->updateClient($client, $hg)) {
           // In this case, the client is still connected so just move on to
-          // the next one. Otherwise we continue below and handle the disconect.
+          // the next one. Otherwise we continue below and handle the
+          // disconnect.
           continue;
         }
 
diff --git a/src/lint/engine/ArcanistLintEngine.php b/src/lint/engine/ArcanistLintEngine.php
--- a/src/lint/engine/ArcanistLintEngine.php
+++ b/src/lint/engine/ArcanistLintEngine.php
@@ -568,7 +568,7 @@
 
 
   /**
-   * Set a linter resource that other linters can accesss.
+   * Set a linter resource that other linters can access.
    *
    * See @{method:getLinterResource} for a description of this mechanism.
    *
diff --git a/src/lint/linter/ArcanistScriptAndRegexLinter.php b/src/lint/linter/ArcanistScriptAndRegexLinter.php
--- a/src/lint/linter/ArcanistScriptAndRegexLinter.php
+++ b/src/lint/linter/ArcanistScriptAndRegexLinter.php
@@ -92,7 +92,7 @@
  *     not present in the output. If no severity capturing group is present,
  *     messages are raised with "error" severity. If multiple severity capturing
  *     groups are present, messages are raised with the highest captured
- *     serverity. Capturing groups like `error` supersede the `severity`
+ *     severity. Capturing groups like `error` supersede the `severity`
  *     capturing group.
  *   - `error` (optional) Match some nonempty substring to indicate that this
  *     message has "error" severity.
diff --git a/src/parser/ArcanistBundle.php b/src/parser/ArcanistBundle.php
--- a/src/parser/ArcanistBundle.php
+++ b/src/parser/ArcanistBundle.php
@@ -803,7 +803,7 @@
     // This is implemented awkwardly in order to closely mirror git's
     // implementation in base85.c
 
-    // It is also implemeted awkwardly to work correctly on 32-bit machines.
+    // It is also implemented awkwardly to work correctly on 32-bit machines.
     // Broadly, this algorithm converts the binary input to printable output
     // by transforming each 4 binary bytes of input to 5 printable bytes of
     // output, one piece at a time.
diff --git a/src/repository/api/ArcanistGitAPI.php b/src/repository/api/ArcanistGitAPI.php
--- a/src/repository/api/ArcanistGitAPI.php
+++ b/src/repository/api/ArcanistGitAPI.php
@@ -158,7 +158,7 @@
     }
 
     // NOTE: Windows escaping of "%" symbols apparently is inherently broken;
-    // when passed throuhgh escapeshellarg() they are replaced with spaces.
+    // when passed through escapeshellarg() they are replaced with spaces.
 
     // TODO: Learn how cmd.exe works and find some clever workaround?
 
diff --git a/src/repository/api/ArcanistRepositoryAPI.php b/src/repository/api/ArcanistRepositoryAPI.php
--- a/src/repository/api/ArcanistRepositoryAPI.php
+++ b/src/repository/api/ArcanistRepositoryAPI.php
@@ -226,7 +226,7 @@
   /**
    * Get a list of paths affected by commits in the current commit range, or
    * uncommitted changes in the working copy. See @{method:getUncommittedStatus}
-   * or @{method:getCommitRangeStatus} to retreive smaller parts of the status.
+   * or @{method:getCommitRangeStatus} to retrieve smaller parts of the status.
    *
    * See @{method:getUncommittedStatus} for a description of the return value.
    *
diff --git a/src/workflow/ArcanistBaseWorkflow.php b/src/workflow/ArcanistBaseWorkflow.php
--- a/src/workflow/ArcanistBaseWorkflow.php
+++ b/src/workflow/ArcanistBaseWorkflow.php
@@ -1225,7 +1225,7 @@
   /**
    * Workflows like 'lint' and 'unit' operate on a list of working copy paths.
    * The user can either specify the paths explicitly ("a.js b.php"), or by
-   * specfifying a revision ("--rev a3f10f1f") to select all paths modified
+   * specifying a revision ("--rev a3f10f1f") to select all paths modified
    * since that revision, or by omitting both and letting arc choose the
    * default relative revision.
    *