[gimp] devel-docs: another typo fix in performance-logs.md TOC

[Ell <ell src gnome org>]

commit 662636041c3e74b8439aaa80ce47cd0216396060
Author: Ell <ell_se yahoo com>
Date:   Thu Nov 8 10:59:30 2018 -0500

    devel-docs: another typo fix in performance-logs.md TOC
    
    :P

 devel-docs/performance-logs/performance-logs.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/devel-docs/performance-logs/performance-logs.md b/devel-docs/performance-logs/performance-logs.md
index 7dffb7fb9f..c764c34944 100644
--- a/devel-docs/performance-logs/performance-logs.md
+++ b/devel-docs/performance-logs/performance-logs.md
@@ -18,7 +18,7 @@ report performance-related issues.
       - [4.1.1. Selecting Samples](#411-selecting-samples)
     - [4.2. Information Area](#42-information-area)
       - [4.2.1. Information Page](#421-information-page)
-      - [4.2.1. Variables Page](#421-variables-page)
+      - [4.2.2. Variables Page](#422-variables-page)
       - [4.2.3. Backtrace Page](#423-backtrace-page)
         - [4.2.3.1. Threads Pane](#4231-threads-pane)
         - [4.2.3.2. Stack Pane](#4232-stack-pane)