Update readme

README.md

@@ -85,9 +85,7 @@ Required versions:
     - At the time only 0.11 is out so build from git
 - Chicken >= 5.4.0 < 6
 - Gauche >= 0.9.15
-    - Does not yet work with snow-chibi install
 - Guile >= 3
-    - Does not yet work with snow-chibi install
     - Has include bug, might not work on all situations
 - Kawa >= 3.11 and Java >= 22
     - Needs arguments to enable FFI
@@ -161,13 +159,14 @@ Required versions:
 
 ## Installation
 
-### Snow-fort
-
 Not yet installable with snow-fort:
 
 - Gauche
     - Use manual installation
 
+### Snow-fort
+
+
 [https://snow-fort.org/](https://snow-fort.org/)
 
 snow-chibi --impls=IMPLEMENTATION install "(foreign c)"
@@ -180,6 +179,9 @@ You can test that library is found by your implementation like this:
 
 ### Manual system wide
 
+Manual system wide installation requires snow-chibi for other implementations
+than Gauche.
+
 Either download the latest release from
 [https://git.sr.ht/~retropikzel/foreign-c/refs](https://git.sr.ht/~retropikzel/foreign-c/refs)
 or git clone, tag, and copy the _foreign_ directory to your