diff --git a/app/assets/javascripts/discourse/app/lib/plugin-api.js b/app/assets/javascripts/discourse/app/lib/plugin-api.js
index d80ca1e5e2b..0ab14474de5 100644
--- a/app/assets/javascripts/discourse/app/lib/plugin-api.js
+++ b/app/assets/javascripts/discourse/app/lib/plugin-api.js
@@ -1691,7 +1691,7 @@ class PluginApi {
   /**
    * Add a function to be called when there is a keyDown even on the search-menu widget.
    * This function runs before the default logic, and if one callback returns a falsey value
-   * the logic chain will stop, to prevent the core behavior from occuring.
+   * the logic chain will stop, to prevent the core behavior from occurring.
    *
    * Example usage:
    * ```
@@ -2279,7 +2279,7 @@ class PluginApi {
   }
 
   /**
-   * Registers a hastag type and its corresponding class.
+   * Registers a hashtag type and its corresponding class.
    * This is used when generating CSS classes in the hashtag-css-generator.
    *
    * @param {string} type - The type of the hashtag.
diff --git a/app/assets/javascripts/discourse/tests/acceptance/user-card-test.js b/app/assets/javascripts/discourse/tests/acceptance/user-card-test.js
index c912ff97467..6c8118171b5 100644
--- a/app/assets/javascripts/discourse/tests/acceptance/user-card-test.js
+++ b/app/assets/javascripts/discourse/tests/acceptance/user-card-test.js
@@ -37,7 +37,7 @@ acceptance(
       server.get("/u/eviltrout/card.json", () => helper.response(cardResponse));
     });
 
-    test("it displays the person's username followed by ther fullname", async function (assert) {
+    test("it displays the person's username followed by their fullname", async function (assert) {
       await visit("/t/this-is-a-test-topic/9");
       await click('a[data-user-card="eviltrout"]');
 
diff --git a/app/controllers/admin/groups_controller.rb b/app/controllers/admin/groups_controller.rb
index 1af73960fe5..bcc17c9fcc3 100644
--- a/app/controllers/admin/groups_controller.rb
+++ b/app/controllers/admin/groups_controller.rb
@@ -37,7 +37,7 @@ class Admin::GroupsController < Admin::StaffController
     if group.automatic
       can_not_modify_automatic
     else
-      StaffActionLogger.new(current_user).log_group_deletetion(group)
+      StaffActionLogger.new(current_user).log_group_deletion(group)
 
       group.destroy!
       render json: success_json
diff --git a/app/services/staff_action_logger.rb b/app/services/staff_action_logger.rb
index c2416add4fb..359c9f31fca 100644
--- a/app/services/staff_action_logger.rb
+++ b/app/services/staff_action_logger.rb
@@ -957,7 +957,7 @@ class StaffActionLogger
     )
   end
 
-  def log_group_deletetion(group)
+  def log_group_deletion(group)
     raise Discourse::InvalidParameters.new(:group) if group.nil?
 
     details = ["name: #{group.name}", "id: #{group.id}"]
diff --git a/spec/lib/guardian_spec.rb b/spec/lib/guardian_spec.rb
index 580db7c5dd5..d6e4f2872e3 100644
--- a/spec/lib/guardian_spec.rb
+++ b/spec/lib/guardian_spec.rb
@@ -813,7 +813,7 @@ RSpec.describe Guardian do
       expect(Guardian.new(user).can_see_deleted_post?(post)).to be_falsey
     end
 
-    it "returns false if not ther person who deleted it" do
+    it "returns false if not the person who deleted it" do
       post.update!(deleted_by: another_user)
       expect(Guardian.new(user).can_see_deleted_post?(post)).to be_falsey
     end
@@ -4195,7 +4195,7 @@ RSpec.describe Guardian do
       expect(guardian.is_category_group_moderator?(plain_category)).to eq(false)
       expect(guardian.is_category_group_moderator?(plain_category)).to eq(false)
 
-      # edge case ... site setting disabled while guardian instansiated (can help with test cases)
+      # edge case ... site setting disabled while guardian instantiated (can help with test cases)
       SiteSetting.enable_category_group_moderation = false
       expect(guardian.is_category_group_moderator?(category)).to eq(false)
     end