Fixed indentation of Python examples in C comments.
diff --git a/Modules/itertoolsmodule.c b/Modules/itertoolsmodule.c
index e5b2b74..394bbaf 100644
--- a/Modules/itertoolsmodule.c
+++ b/Modules/itertoolsmodule.c
@@ -2543,18 +2543,18 @@
     cycles = range(n-r+1, n+1)[::-1]
     yield tuple(pool[i] for i in indices[:r])
     while n:
-    for i in reversed(range(r)):
-        cycles[i] -= 1
-        if cycles[i] == 0:
-        indices[i:] = indices[i+1:] + indices[i:i+1]
-        cycles[i] = n - i
+        for i in reversed(range(r)):
+            cycles[i] -= 1
+            if cycles[i] == 0:
+                indices[i:] = indices[i+1:] + indices[i:i+1]
+                cycles[i] = n - i
+            else:
+                j = cycles[i]
+                indices[i], indices[-j] = indices[-j], indices[i]
+                yield tuple(pool[i] for i in indices[:r])
+                break
         else:
-        j = cycles[i]
-        indices[i], indices[-j] = indices[-j], indices[i]
-        yield tuple(pool[i] for i in indices[:r])
-        break
-    else:
-        return
+            return
 */
 
 typedef struct {