diff --git a/doc/vscode-texinfo.texi b/doc/vscode-texinfo.texi
index f224005..f8e046d 100644
--- a/doc/vscode-texinfo.texi
+++ b/doc/vscode-texinfo.texi
@@ -74,8 +74,8 @@ Creative Commons Attribution-ShareAlike 4.0 International License}.
 @chapter Overview
 
 Texinfo is a typesetting language designed for writing software manuals. It's
-the official documention format for GNU projects, but not as popular in modern
-non-GNU free software projects.
+the official documentation format for GNU projects, but not as popular in
+modern non-GNU free software projects.
 
 One of the main reasons is the lack of editor support. While Emacs does offer a
 ``texinfo-mode'', however, Emacs is not widely used among average software
@@ -413,7 +413,7 @@ allow @@-commands}, which is not handled in vscode-texinfo due to performance
 considerations. For these nodes, this feature does not work.
 @end quotation
 
-To disable this feature and hide the code lenses, switch off the configuation
+To disable this feature and hide the code lenses, switch off the configuration
 item @code{texinfo.enableCodeLens}.
 
 See the Visual Studio Code User Guide for more information about
@@ -431,7 +431,7 @@ HTML previews.
 can produce before quitting. (@code{--error-limit=NUM})
 @item @code{texinfo.preview.includePaths}: Array of extra paths to search for
 @code{@@include} files. (@code{-I PATH})
-@item @code{texinfo.preview.maxSize}: Max allowed size for the genereated HTML
+@item @code{texinfo.preview.maxSize}: Max allowed size for the generated HTML
 file before it's displayed in the preview. Files larger than this limit will
 trigger an error.
 @item @code{texinfo.preview.noHeaders}: When enabled, headers and menus are no
diff --git a/package.json b/package.json
index e6bee02..d9fa487 100644
--- a/package.json
+++ b/package.json
@@ -201,7 +201,7 @@
                 "texinfo.preview.noValidation": {
                     "type": "boolean",
                     "default": false,
-                    "description": "Supress node cross-reference validation."
+                    "description": "Suppress node cross-reference validation."
                 },
                 "texinfo.preview.variables": {
                     "type": "array",
diff --git a/src/contexts/document_symbol.ts b/src/contexts/document_symbol.ts
index a92f7c1..a1aed5f 100644
--- a/src/contexts/document_symbol.ts
+++ b/src/contexts/document_symbol.ts
@@ -30,7 +30,7 @@ import { FoldingRange, Optional } from '../utils/types';
 export default class DocumentSymbolContext
 {
     get documentSymbols() {
-        return this._documentSymbols ??= this._calculcateDocumentSymbols();
+        return this._documentSymbols ??= this._calculateDocumentSymbols();
     }
 
     clear() {
@@ -46,7 +46,7 @@ export default class DocumentSymbolContext
     /**
      * Calculate document symbols based on folding ranges.
      */
-    private _calculcateDocumentSymbols() {
+    private _calculateDocumentSymbols() {
         const ranges = Array<Optional<FoldingRange>>(this._document.lineCount);
         this._documentContext.foldingRange.foldingRanges
             .filter(range => range.kind === undefined)
diff --git a/src/providers/completion_item.ts b/src/providers/completion_item.ts
index 3bec8a1..a6e110e 100644
--- a/src/providers/completion_item.ts
+++ b/src/providers/completion_item.ts
@@ -619,7 +619,7 @@ export default class CompletionItemProvider
                 'Insert paragraph indentation',
             ),
             ...blockCommand('indentedblock',
-                'Indent a block of arbitary text on the left',
+                'Indent a block of arbitrary text on the left',
             ),
             ...braceCommand('indicateurl',
                 'Indicate text that is a URL',