diff --git a/README.md b/README.md
index abf535a8..165fdea5 100644
--- a/README.md
+++ b/README.md
@@ -135,7 +135,7 @@ The following options are available:
                             for even distribution.
      --validator-group-index  Slot validation group index [=0].
                             The value provided must be in the range [0, validatorGroups). Ignored when
-                            --validator-groupsis not provided. Only slot ids satisfying condition [(slotId
+                            --validator-groups is not provided. Only slot ids satisfying condition [(slotId
                             mod validationGroups) == groupIndex] will be observed by the validator.
 
 Available sub-commands:
diff --git a/codex/conf.nim b/codex/conf.nim
index fbfb0fdf..d59b347e 100644
--- a/codex/conf.nim
+++ b/codex/conf.nim
@@ -320,7 +320,7 @@ type
       validatorGroupIndex* {.
         desc: "Slot validation group index"
         longDesc: "The value provided must be in the range " &
-          "[0, validatorGroups). Ignored when --validator-groups" &
+          "[0, validatorGroups). Ignored when --validator-groups " &
           "is not provided. Only slot ids satisfying condition " &
           "[(slotId mod validationGroups) == groupIndex] will be " &
           "observed by the validator"