Update docs

Author: petk

docs/cmake/modules/PHP/SearchLibraries.md

@@ -51,10 +51,10 @@ If `<variable>` is given, check result is stored in an internal cache variable.
 * `LIBRARIES`
 
   If symbol is not found in the default libraries (C library), then the
-  `LIBRARIES` list is iterated. Instead of using the `check_library_exists()` or
-  `check_function_exists()`, the `check_symbol_exists()` is used, since it also
-  works when symbol might be a macro definition. It would not be found using the
-  other two commands because they don't include required headers.
+  `LIBRARIES` list is iterated. Instead of using the `check_function_exists()`,
+  the `check_symbol_exists()` is used, since it also works when symbol might be
+  a macro definition. It would not be found using the other two commands because
+  they don't include required headers.
 
 * `VARIABLE`