diff --git a/docs/KNOWN_BUGS b/docs/KNOWN_BUGS
index 4b2efd1f65..f527d0a9e4 100644
--- a/docs/KNOWN_BUGS
+++ b/docs/KNOWN_BUGS
@@ -90,6 +90,7 @@ problems may have been fixed or changed somewhat since this was written.
  13.2 Trying local ports fails on Windows
 
  15. CMake
+ 15.1 cmake outputs: no version information available
  15.2 support build with GnuTLS
  15.3 unusable tool_hugehelp.c with MinGW
  15.4 build docs/curl.1
@@ -527,6 +528,12 @@ problems may have been fixed or changed somewhat since this was written.
 
 15. CMake
 
+15.1 cmake outputs: no version information available
+
+ Something in the SONAME generation seems to be wrong in the cmake build.
+
+ https://github.com/curl/curl/issues/11158
+
 15.2 support build with GnuTLS
 
 15.3 unusable tool_hugehelp.c with MinGW