diff --git a/gnu/packages/c.scm b/gnu/packages/c.scm
index 91f4b959608..ba269440f23 100644
--- a/gnu/packages/c.scm
+++ b/gnu/packages/c.scm
@@ -837,7 +837,7 @@ currently limited to Huffman encoding and decoding.")
 (define-public aws-c-auth
   (package
     (name "aws-c-auth")
-    ; Update only when updating aws-crt-cpp.
+    ;; Update only when updating aws-crt-cpp.
     (version "0.6.11")
     (source (origin
               (method git-fetch)