Update logql.md

docs/guide/logql.md

@@ -147,7 +147,7 @@ We can use operations on both the log **stream selectors** and **filter expressi
 ### ** Parser Expression **
 Parser expressions can parse and extract labels from the log content. Those extracted labels can then be used for filtering using label filter expressions or for metric aggregations.
 
-#### `json`
+### json
 The json parser operates in two modes:
 
 * without parameters:
@@ -158,10 +158,14 @@ The json parser operates in two modes:
   * Using `| json label="expression"` in your pipeline will extract only the specified json fields to labels. 
   * ```{job="0.6611336793589486_json"} | json my_field="json_field"```
 
-#### `logfmt`
-The logfmt parser extracts any key=value pairs from the processed logs.
+### logfmt
+The logfmt parser extracts any `key=value` pairs from the processed logs.
 
-#### `regexp`
+```
+YYYY-MM-DDT00:00:00Z ... name=qryn value=123 something=else
+```
+
+### regexp
 The regexp parser operates against log string and requires named groups for matching.
 
 Example: extract a new label named `token` from a string ie: