Update log6x-oc-explain.adoc

Changed type information for lokistacks.loki.grafana.com.spec.size from integer to string

Update log6x-oc-explain.adoc

improving grammar

Author: amandverma

modules/log6x-oc-explain.adoc

@@ -49,7 +49,7 @@ For example:
 $ oc explain lokistacks.loki.grafana.com.spec.size
 ----
 
-This will show that `size` should be defined using an integer value.
+This output shows that the `size` field must be set to a string value.
 
 == Default Values
 When applicable, the command shows the default values for fields, providing insights into what values will be used if none are explicitly specified.