Update separate-compilation.md

remove incorrect sentence

sources/modules/compilation-model/separate-compilation.md

@@ -65,7 +65,7 @@ _This section mentions subtle points to understand, like anything resulting in
 implementation-defined, unspecified, or undefined behavior._
 
 * Explain differences (including in desirability) between having explicit declarations of functions in the main program versus using header files or modules.
-* Compilation on a single commandline versus multiple. Resolution order when linking.
+* Compilation on a single commandline versus using multiple commands.
 * What needs to be recompiled if only a function is altered? Altered in use syntax versus altered only in semantics.
 
 ### Main: implementing