diff --git a/docs/syntax/c4c.md b/docs/syntax/c4.md
similarity index 99%
rename from docs/syntax/c4c.md
rename to docs/syntax/c4.md
index dd5fa21b0..5c8967168 100644
--- a/docs/syntax/c4c.md
+++ b/docs/syntax/c4.md
@@ -2,13 +2,13 @@
 >
 > ## THIS IS AN AUTOGENERATED FILE. DO NOT EDIT.
 >
-> ## Please edit the corresponding file in [/packages/mermaid/src/docs/syntax/c4c.md](../../packages/mermaid/src/docs/syntax/c4c.md).
+> ## Please edit the corresponding file in [/packages/mermaid/src/docs/syntax/c4.md](../../packages/mermaid/src/docs/syntax/c4.md).
 
 # C4 Diagrams
 
 > C4 Diagram: This is an experimental diagram for now. The syntax and properties can change in future releases. Proper documentation will be provided when the syntax is stable.
 
-Mermaid's c4 diagram syntax is compatible with plantUML. See example below:
+Mermaid's C4 diagram syntax is compatible with plantUML. See example below:
 
 ```mermaid-example
     C4Context
@@ -114,7 +114,7 @@ For an example, see the source code demos/index.html
 - Dynamic diagram (C4Dynamic)
 - Deployment diagram (C4Deployment)
 
-Please refer to the linked document [C4-PlantUML syntax](https://github.com/plantuml-stdlib/C4-PlantUML/blob/master/README.md) for how to write the c4 diagram.
+Please refer to the linked document [C4-PlantUML syntax](https://github.com/plantuml-stdlib/C4-PlantUML/blob/master/README.md) for how to write the C4 diagram.
 
 C4 diagram is fixed style, such as css color, so different css is not provided under different skins.
 updateElementStyle and UpdateElementStyle are written in the diagram last part. updateElementStyle is inconsistent with the original definition and updates the style of the relationship, including the offset of the text label relative to the original position.
diff --git a/packages/mermaid/src/docs/.vitepress/config.ts b/packages/mermaid/src/docs/.vitepress/config.ts
index 8fceb810b..b7b952950 100644
--- a/packages/mermaid/src/docs/.vitepress/config.ts
+++ b/packages/mermaid/src/docs/.vitepress/config.ts
@@ -134,7 +134,7 @@ function sidebarSyntax() {
         { text: 'Quadrant Chart', link: '/syntax/quadrantChart' },
         { text: 'Requirement Diagram', link: '/syntax/requirementDiagram' },
         { text: 'Gitgraph (Git) Diagram 🔥', link: '/syntax/gitgraph' },
-        { text: 'C4C Diagram (Context) Diagram 🦺⚠️', link: '/syntax/c4c' },
+        { text: 'C4 Diagram 🦺⚠️', link: '/syntax/c4' },
         { text: 'Mindmaps 🔥', link: '/syntax/mindmap' },
         { text: 'Timeline 🔥', link: '/syntax/timeline' },
         { text: 'Zenuml 🔥', link: '/syntax/zenuml' },
diff --git a/packages/mermaid/src/docs/.vitepress/theme/redirect.ts b/packages/mermaid/src/docs/.vitepress/theme/redirect.ts
index 936d6f7e2..24b9a4d1f 100644
--- a/packages/mermaid/src/docs/.vitepress/theme/redirect.ts
+++ b/packages/mermaid/src/docs/.vitepress/theme/redirect.ts
@@ -28,7 +28,7 @@ const idRedirectMap: Record<string, string> = {
   '8.6.0_docs': '',
   accessibility: 'config/theming',
   breakingchanges: '',
-  c4c: 'syntax/c4c',
+  c4c: 'syntax/c4',
   classdiagram: 'syntax/classDiagram',
   configuration: 'config/configuration',
   demos: 'ecosystem/integrations',
@@ -70,6 +70,7 @@ const idRedirectMap: Record<string, string> = {
 
 const urlRedirectMap: Record<string, string> = {
   '/misc/faq.html': 'configure/faq.html',
+  '/syntax/c4c.html': 'syntax/c4.html',
 };
 
 /**
diff --git a/packages/mermaid/src/docs/syntax/c4c.md b/packages/mermaid/src/docs/syntax/c4.md
similarity index 99%
rename from packages/mermaid/src/docs/syntax/c4c.md
rename to packages/mermaid/src/docs/syntax/c4.md
index 78528f7b9..489b423c0 100644
--- a/packages/mermaid/src/docs/syntax/c4c.md
+++ b/packages/mermaid/src/docs/syntax/c4.md
@@ -2,7 +2,7 @@
 
 > C4 Diagram: This is an experimental diagram for now. The syntax and properties can change in future releases. Proper documentation will be provided when the syntax is stable.
 
-Mermaid's c4 diagram syntax is compatible with plantUML. See example below:
+Mermaid's C4 diagram syntax is compatible with plantUML. See example below:
 
 ```mermaid-example
     C4Context
@@ -61,7 +61,7 @@ For an example, see the source code demos/index.html
 - Dynamic diagram (C4Dynamic)
 - Deployment diagram (C4Deployment)
 
-Please refer to the linked document [C4-PlantUML syntax](https://github.com/plantuml-stdlib/C4-PlantUML/blob/master/README.md) for how to write the c4 diagram.
+Please refer to the linked document [C4-PlantUML syntax](https://github.com/plantuml-stdlib/C4-PlantUML/blob/master/README.md) for how to write the C4 diagram.
 
 C4 diagram is fixed style, such as css color, so different css is not provided under different skins.
 updateElementStyle and UpdateElementStyle are written in the diagram last part. updateElementStyle is inconsistent with the original definition and updates the style of the relationship, including the offset of the text label relative to the original position.