diff --git a/batch/mod.ts b/batch/mod.ts
index c4a28127..67d092fb 100644
--- a/batch/mod.ts
+++ b/batch/mod.ts
@@ -6,7 +6,7 @@
  * import { batch, collect } from "jsr:@denops/std/batch";
  *
  * export const main: Entrypoint = async (denops) => {
- *   // Call multiple denops functions sequentially in a signle RPC call
+ *   // Call multiple denops functions sequentially in a single RPC call
  *   await batch(denops, async (denops) => {
  *     await denops.cmd("setlocal modifiable");
  *     await denops.cmd("setlocal noswap");
diff --git a/buffer/decoration_test.ts b/buffer/decoration_test.ts
index 5e4402ed..4594c7f1 100644
--- a/buffer/decoration_test.ts
+++ b/buffer/decoration_test.ts
@@ -66,7 +66,7 @@ test({
       type_bufnr: 0,
     }]);
 
-    // Re-appling the same decorations is OK
+    // Re-applying the same decorations is OK
     await decorate(denops, bufnr, [
       {
         line: 1,
diff --git a/bufname/bufname.ts b/bufname/bufname.ts
index 9cb9ff50..1586751d 100644
--- a/bufname/bufname.ts
+++ b/bufname/bufname.ts
@@ -54,7 +54,7 @@ export interface Bufname {
    */
   expr: string;
   /**
-   * Params part of a buffer name. While '?' is not supported, the params part are splitted by ';' instead.
+   * Params part of a buffer name. While '?' is not supported, the params part are split by ';' instead.
    */
   params?: BufnameParams;
   /**
@@ -64,7 +64,7 @@ export interface Bufname {
 }
 
 // Vim only supports alphabet characters in the scheme part of a buffer name.
-// That behavior has slightly improved from Vim 8.2.3153 but we suppor Vim 8.2.0662
+// That behavior has slightly improved from Vim 8.2.3153 but we support Vim 8.2.0662
 // thus we need to stack old behavior
 // https://github.com/vim/vim/pull/8299
 const schemeUnusablePattern = /[^a-zA-Z]/;
diff --git a/helper/keymap.ts b/helper/keymap.ts
index fd47bd20..297d4d99 100644
--- a/helper/keymap.ts
+++ b/helper/keymap.ts
@@ -52,7 +52,7 @@ function toKeys(keys: KeysSpecifier): Keys {
  *       // "baz"
  *       console.log(await fn.getline(denops, "."));
  *
- *       // Send remaped keys.
+ *       // Send remapped keys.
  *       await send(denops, { keys: rawString`\<C-l>`, remap: true });
  *       // "bazsend"
  *       console.log(await fn.getline(denops, "."));
diff --git a/lambda/mod_test.ts b/lambda/mod_test.ts
index e539fad3..0e512824 100644
--- a/lambda/mod_test.ts
+++ b/lambda/mod_test.ts
@@ -390,7 +390,7 @@ test({
           "The method is unregistered",
         );
       });
-      await t.step("is diposable", async () => {
+      await t.step("is disposable", async () => {
         // Unregister all methods
         denops.dispatcher = {};
         const fn = spy(returnsNext(["foo"]));
diff --git a/option/_generated_test.ts b/option/_generated_test.ts
index 2471a4c0..a2b3aba4 100644
--- a/option/_generated_test.ts
+++ b/option/_generated_test.ts
@@ -18,7 +18,7 @@ test({
       },
     });
     await t.step({
-      name: "dictionary.get() return the defautValue when the option is empty",
+      name: "dictionary.get() return the defaultValue when the option is empty",
       fn: async () => {
         await denops.cmd("set dictionary&");
         assertEquals(await _generated.dictionary.get(denops), "");
@@ -54,7 +54,7 @@ test({
     });
     await t.step({
       name:
-        "dictionary.getGlobal() return the defautValue when the option is empty",
+        "dictionary.getGlobal() return the defaultValue when the option is empty",
       fn: async () => {
         await denops.cmd("setglobal dictionary&");
         await denops.cmd("setlocal dictionary=hello");
@@ -92,7 +92,7 @@ test({
     });
     await t.step({
       name:
-        "dictionary.getLocal() return the defautValue when the option is empty",
+        "dictionary.getLocal() return the defaultValue when the option is empty",
       fn: async () => {
         await denops.cmd("setglobal dictionary=hello");
         await denops.cmd("setlocal dictionary&");
@@ -140,7 +140,7 @@ test({
     });
     await t.step({
       name:
-        "dictionary.getBuffer() return the defautValue when the option is empty",
+        "dictionary.getBuffer() return the defaultValue when the option is empty",
       fn: async () => {
         try {
           const bufnr = await denops.call("bufnr") as number;
@@ -196,7 +196,7 @@ test({
     });
     await t.step({
       name:
-        "colorcolumn.getWindow() return the defautValue when the option is empty",
+        "colorcolumn.getWindow() return the defaultValue when the option is empty",
       fn: async () => {
         try {
           await denops.cmd("setlocal colorcolumn&");
@@ -241,7 +241,7 @@ test({
       },
     });
     await t.step({
-      name: "undolevels.get() return the defautValue when the option is empty",
+      name: "undolevels.get() return the defaultValue when the option is empty",
       fn: async () => {
         await denops.cmd("set undolevels&");
         assertEquals(await _generated.undolevels.get(denops), 1000);
@@ -274,7 +274,7 @@ test({
     });
     await t.step({
       name:
-        "undolevels.getGlobal() return the defautValue when the option is empty",
+        "undolevels.getGlobal() return the defaultValue when the option is empty",
       fn: async () => {
         await denops.cmd("setglobal undolevels&");
         await denops.cmd("setlocal undolevels=123");
@@ -312,7 +312,7 @@ test({
     });
     await t.step({
       name:
-        "undolevels.getLocal() return the defautValue when the option is empty",
+        "undolevels.getLocal() return the defaultValue when the option is empty",
       fn: async () => {
         await denops.cmd("setglobal undolevels=123");
         await denops.cmd("setlocal undolevels&");
@@ -360,7 +360,7 @@ test({
     });
     await t.step({
       name:
-        "undolevels.getBuffer() return the defautValue when the option is empty",
+        "undolevels.getBuffer() return the defaultValue when the option is empty",
       fn: async () => {
         try {
           const bufnr = await denops.call("bufnr") as number;
@@ -413,7 +413,7 @@ test({
     });
     await t.step({
       name:
-        "foldlevel.getWindow() return the defautValue when the option is empty",
+        "foldlevel.getWindow() return the defaultValue when the option is empty",
       fn: async () => {
         try {
           await denops.cmd("setlocal foldlevel&");
@@ -455,7 +455,7 @@ test({
       },
     });
     await t.step({
-      name: "autoread.get() return the defautValue when the option is empty",
+      name: "autoread.get() return the defaultValue when the option is empty",
       fn: async () => {
         await denops.cmd("set autoread&");
         if (await denops.call("has", "nvim")) {
@@ -496,7 +496,7 @@ test({
     });
     await t.step({
       name:
-        "autoread.getGlobal() return the defautValue when the option is empty",
+        "autoread.getGlobal() return the defaultValue when the option is empty",
       fn: async () => {
         await denops.cmd("setglobal autoread&");
         await denops.cmd("setlocal autoread& autoread!");
@@ -543,7 +543,7 @@ test({
     });
     await t.step({
       name:
-        "autoread.getLocal() return the defautValue when the option is empty",
+        "autoread.getLocal() return the defaultValue when the option is empty",
       fn: async () => {
         await denops.cmd("setglobal autoread& autoread!");
         await denops.cmd("setlocal autoread&");
@@ -600,7 +600,7 @@ test({
     });
     await t.step({
       name:
-        "autoread.getBuffer() return the defautValue when the option is empty",
+        "autoread.getBuffer() return the defaultValue when the option is empty",
       fn: async () => {
         try {
           const bufnr = await denops.call("bufnr") as number;
@@ -656,7 +656,7 @@ test({
       },
     });
     await t.step({
-      name: "list.getWindow() return the defautValue when the option is empty",
+      name: "list.getWindow() return the defaultValue when the option is empty",
       fn: async () => {
         try {
           await denops.cmd("setlocal list&");
diff --git a/popup/mod.ts b/popup/mod.ts
index ea14518d..23a2943e 100644
--- a/popup/mod.ts
+++ b/popup/mod.ts
@@ -30,7 +30,7 @@
  *     title: "Hello, world!",
  *   });
  *
- *   // Wiat 3 seconds
+ *   // Wait 3 seconds
  *   await new Promise((resolve) => setTimeout(resolve, 3000));
  *
  *   // Close the popup window
@@ -64,7 +64,7 @@
  *     col: 1,
  *   });
  *
- *   // Wiat 3 seconds
+ *   // Wait 3 seconds
  *   await new Promise((resolve) => setTimeout(resolve, 3000));
  *
  *   // The popup window is automatically closed, due to `await using` statement
diff --git a/variable/option_test.ts b/variable/option_test.ts
index b33f343f..6580cadd 100644
--- a/variable/option_test.ts
+++ b/variable/option_test.ts
@@ -18,7 +18,7 @@ test({
       },
     });
     await t.step({
-      name: "options.get() return the defautValue when the option is empty",
+      name: "options.get() return the defaultValue when the option is empty",
       fn: async () => {
         await denops.cmd("set filetype&");
         const result = await options.get(
@@ -66,7 +66,7 @@ test({
     });
     await t.step({
       name:
-        "localOptions.get() return the defautValue when the option is empty",
+        "localOptions.get() return the defaultValue when the option is empty",
       fn: async () => {
         await denops.cmd("set filetype&");
         const result = await localOptions.get(
@@ -114,7 +114,7 @@ test({
     });
     await t.step({
       name:
-        "globalOptions.get() return the defautValue when the option is empty",
+        "globalOptions.get() return the defaultValue when the option is empty",
       fn: async () => {
         await denops.cmd("set filetype&");
         const result = await globalOptions.get(