diff --git a/frontend/MultimerSearch.vue b/frontend/MultimerSearch.vue
index ff544ab..3be34ae 100644
--- a/frontend/MultimerSearch.vue
+++ b/frontend/MultimerSearch.vue
@@ -4,7 +4,7 @@
         <v-flex xs12>
             <panel class="query-panel d-flex fill-height" fill-height>
             <template slot="header">
-                Input protein multimer structure (PDB)
+                Input protein multimer structure (PDB/CIF)
             </template>
             <template slot="toolbar-extra">
                 <api-dialog
diff --git a/frontend/Search.vue b/frontend/Search.vue
index 18b4f1e..56d1874 100644
--- a/frontend/Search.vue
+++ b/frontend/Search.vue
@@ -7,7 +7,7 @@
             <template v-if="$APP == 'foldseek'">
                 Input protein
                 <template v-if="!$vuetify.breakpoint.smAndDown">
-                    structure (PDB) or sequence (FASTA)
+                    structure (PDB/CIF) or sequence (FASTA)
                 </template>
             </template>
             <template v-else>
diff --git a/frontend/assets/foldseek.en_US.po b/frontend/assets/foldseek.en_US.po
index 298f862..81cebf8 100644
--- a/frontend/assets/foldseek.en_US.po
+++ b/frontend/assets/foldseek.en_US.po
@@ -56,14 +56,14 @@ msgid "NAV_URL_3"
 msgstr "https://steineggerlab.com/"
 
 msgid "QUERIES_HELP"
-msgstr "Enter a protein structure in PDB format or upload a PDB file."
+msgstr "Enter a protein structure in PDB or mmCIF format or upload a PDB or mmCIF file."
 
 msgid "UPLOAD_LABEL"
 msgstr "Upload PDB"
 
 msgid "CURL_INTRO"
 msgstr ""
-" Use this command to get a submit a file in PDB format to the Foldseek "
+" Use this command to get a submit a file in PDB or mmCIF format to the Foldseek "
 "search server. Replace the ‘PATH_TO_FILE’ string with the path to the file."
 
 msgid "MODE_HELP"