diff --git a/library/core/src/unicode/unicode_data.rs b/library/core/src/unicode/unicode_data.rs
index f78983bc3395d..0bf2f948e85bd 100644
--- a/library/core/src/unicode/unicode_data.rs
+++ b/library/core/src/unicode/unicode_data.rs
@@ -1,4 +1,4 @@
-///! This file is generated by `./x run src/tools/unicode-table-generator`; do not edit manually!
+//! This file is generated by `./x run src/tools/unicode-table-generator`; do not edit manually!
 // Alphabetic      :  1727 bytes, 142759 codepoints in 757 ranges (U+000041 - U+0323B0) using skiplist
 // Case_Ignorable  :  1053 bytes,   2749 codepoints in 452 ranges (U+000027 - U+0E01F0) using skiplist
 // Cased           :   407 bytes,   4578 codepoints in 159 ranges (U+000041 - U+01F18A) using skiplist
diff --git a/src/tools/unicode-table-generator/src/main.rs b/src/tools/unicode-table-generator/src/main.rs
index 9399021df76ae..aa7d97f7f3d7c 100644
--- a/src/tools/unicode-table-generator/src/main.rs
+++ b/src/tools/unicode-table-generator/src/main.rs
@@ -228,7 +228,7 @@ fn main() {
 
     let mut table_file = String::new();
     table_file.push_str(
-        "///! This file is generated by `./x run src/tools/unicode-table-generator`; do not edit manually!\n",
+        "//! This file is generated by `./x run src/tools/unicode-table-generator`; do not edit manually!\n",
     );
 
     let mut total_bytes = 0;