doc: fix pseudo code in modules.md

This problem was introduced in PR #38837.

PR-URL: #57677
Reviewed-By: James M Snell <[email protected]>

Author: chirsz-ever

doc/api/modules.md

@@ -414,7 +414,7 @@ NODE_MODULES_PATHS(START)
 4. while I >= 0,
    a. if PARTS[I] = "node_modules", GOTO d.
    b. DIR = path join(PARTS[0 .. I] + "node_modules")
-   c. DIRS = DIR + DIRS
+   c. DIRS = DIRS + DIR
    d. let I = I - 1
 5. return DIRS + GLOBAL_FOLDERS