docs: Fix bold markdown syntax for GST_DEBUG_NO_COLOR

Fixing markdown syntax

diff --git a/docs/gst/running.md b/docs/gst/running.md
index 7eb156df7aba99044ebcd67fb9b176d1efe315cf..180fee128db8d8c7395db3a050e77dd4534b59cc 100644 (file)
--- a/docs/gst/running.md
+++ b/docs/gst/running.md
@@ -131,7 +131,7 @@ hand.
 Since GStreamer 1.2 it is also possible to specify debug levels by name,
 e.g. `GST_DEBUG=*:WARNING,*audio*:LOG`
 
-**`GST_DEBUG_NO_COLOR.*`*
+**`GST_DEBUG_NO_COLOR.`**
 
 Set this environment variable to any value ("1" typically) to switch
 off colouring in `GST_DEBUG` output. This has the same effect as