Fix grammar

DiscordChatExporter.Core/Markdown/EmojiNode.cs

@@ -6,7 +6,7 @@ namespace DiscordChatExporter.Core.Markdown;
 internal record EmojiNode(
     // Only present on custom emoji
     Snowflake? Id,
-    // Name of a custom emoji (e.g. LUL) or actual representation of a standard emoji (e.g. 🙂)
+    // Name of a custom emoji (e.g., LUL) or actual representation of a standard emoji (e.g., 🙂)
     string Name,
     bool IsAnimated
 ) : MarkdownNode
@@ -20,7 +20,7 @@ internal record EmojiNode(
 
     public bool IsCustomEmoji => _emoji.IsCustomEmoji;
 
-    // Name of a custom emoji (e.g. LUL) or name of a standard emoji (e.g. slight_smile)
+    // Name of a custom emoji (e.g., LUL) or name of a standard emoji (e.g., slight_smile)
     public string Code => _emoji.Code;
 
     public string ImageUrl => _emoji.ImageUrl;

DiscordChatExporter.Core/Markdown/LinkNode.cs

@@ -2,7 +2,7 @@ using System.Collections.Generic;
 
 namespace DiscordChatExporter.Core.Markdown;
 
-// Named links can contain child nodes (e.g. [**bold URL**](https://test.com))
+// Named links can contain child nodes (e.g., [**bold URL**](https://test.com))
 internal record LinkNode(string Url, IReadOnlyList<MarkdownNode> Children)
     : MarkdownNode,
         IContainerNode

DiscordChatExporter.Core/Markdown/Parsing/MarkdownParser.cs

@@ -209,7 +209,7 @@ internal static partial class MarkdownParser
         new RegexMatcher<MarkdownContext, MarkdownNode>(
             new Regex(
                 // Build a pattern from all known emoji, sorted longest-first so that compound
-                // emoji (e.g. sequences with ZWJ or skin-tone modifiers) are matched before
+                // emoji (e.g., sequences with ZWJ or skin-tone modifiers) are matched before
                 // their individual components.
                 "("
                     + string.Join(
@@ -408,7 +408,7 @@ internal static partial class MarkdownParser
             TimestampNodeMatcher
         );
 
-    // Minimal set of matchers for non-multimedia formats (e.g. plain text)
+    // Minimal set of matchers for non-multimedia formats (e.g., plain text)
     private static readonly IMatcher<MarkdownContext, MarkdownNode> MinimalNodeMatcher =
         new AggregateMatcher<MarkdownContext, MarkdownNode>(
             // Mentions