diff --git a/doc/langref.html.in b/doc/langref.html.in
index e4b318929d..4307dd72e6 100644
--- a/doc/langref.html.in
+++ b/doc/langref.html.in
@@ -8041,7 +8041,7 @@ pub const CallModifier = enum {
       {#header_close#}
 
       {#header_open|@cDefine#}
-      <pre>{#syntax#}@cDefine(comptime name: []u8, value) void{#endsyntax#}</pre>
+      <pre>{#syntax#}@cDefine(comptime name: []const u8, value) void{#endsyntax#}</pre>
       <p>
       This function can only occur inside {#syntax#}@cImport{#endsyntax#}.
       </p>
@@ -8085,7 +8085,7 @@ pub const CallModifier = enum {
       {#see_also|Import from C Header File|@cInclude|@cDefine|@cUndef#}
       {#header_close#}
       {#header_open|@cInclude#}
-      <pre>{#syntax#}@cInclude(comptime path: []u8) void{#endsyntax#}</pre>
+      <pre>{#syntax#}@cInclude(comptime path: []const u8) void{#endsyntax#}</pre>
       <p>
       This function can only occur inside {#syntax#}@cImport{#endsyntax#}.
       </p>
@@ -8176,7 +8176,7 @@ fn cmpxchgWeakButNotAtomic(comptime T: type, ptr: *T, expected_value: T, new_val
       {#header_close#}
 
       {#header_open|@compileError#}
-      <pre>{#syntax#}@compileError(comptime msg: []u8) noreturn{#endsyntax#}</pre>
+      <pre>{#syntax#}@compileError(comptime msg: []const u8) noreturn{#endsyntax#}</pre>
       <p>
       This function, when semantically analyzed, causes a compile error with the
       message {#syntax#}msg{#endsyntax#}.
@@ -8267,7 +8267,7 @@ test "main" {
       {#header_close#}
 
       {#header_open|@cUndef#}
-      <pre>{#syntax#}@cUndef(comptime name: []u8) void{#endsyntax#}</pre>
+      <pre>{#syntax#}@cUndef(comptime name: []const u8) void{#endsyntax#}</pre>
       <p>
       This function can only occur inside {#syntax#}@cImport{#endsyntax#}.
       </p>
@@ -8607,7 +8607,7 @@ test "@hasDecl" {
       {#header_close#}
 
       {#header_open|@import#}
-      <pre>{#syntax#}@import(comptime path: []u8) type{#endsyntax#}</pre>
+      <pre>{#syntax#}@import(comptime path: []const u8) type{#endsyntax#}</pre>
       <p>
       This function finds a zig file corresponding to {#syntax#}path{#endsyntax#} and adds it to the build,
       if it is not already added.