diff --git a/build_info.json b/build_info.json
index 05486d3..b0b977c 100644
--- a/build_info.json
+++ b/build_info.json
@@ -1,8 +1,8 @@
 {
     "build_time": "",
     "source files": {
-        "version": "v2.9-28-gb6a13cf",
-        "commit": "b6a13cfa403b88d89bcca900386a177e60dac003",
+        "version": "v2.9-29-g521ce5c",
+        "commit": "521ce5c80476d858a17e318dc633af817625e922",
         "dirty": false
     },
     "pytex": {
@@ -179,12 +179,12 @@
         {
             "name": "indexing/vocab/mkessler-vocab.sty",
             "source file": "indexing/vocab/vocab.pysty",
-            "build time": "2022/01/30 23:48",
-            "source version": "v2.8.1-9-g4bda829",
-            "source commit hash": "4bda829518c07d985656547cf897712db361160e",
+            "build time": "2022/08/18 14:09",
+            "source version": "v2.9-29-g521ce5c",
+            "source commit hash": "521ce5c80476d858a17e318dc633af817625e922",
             "pytex version": "v1.2.0-31-gc9bb0e8",
             "pytex commit hash": "c9bb0e87c91beae3e17a829603e4459cf804ec51",
-            "md5sum": "3e4f15a2db5cb0184969bdcfc5d4d365",
+            "md5sum": "f2d2b06d55656ac058da07b2531d69cf",
             "dirty": false
         },
         {
diff --git a/indexing/vocab/mkessler-vocab.sty b/indexing/vocab/mkessler-vocab.sty
index bfae457..24c70e5 100644
--- a/indexing/vocab/mkessler-vocab.sty
+++ b/indexing/vocab/mkessler-vocab.sty
@@ -31,7 +31,7 @@
 % 
 % Build details:
 %   PyTeX version: v1.2.0-31-gc9bb0e8 (commit c9bb0e8)
-%   Source code version: v2.8.1-9-g4bda829 (commit 4bda829)
+%   Source code version: v2.9-29-g521ce5c (commit 521ce5c)
 % 
 % This LaTeX package is free software and is dual-licensed
 % under the LPPLv1.3c and the GPLv3 licenses.
@@ -47,7 +47,7 @@
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
 \NeedsTeXFormat{LaTeX2e}
-\ProvidesPackage{mkessler-vocab}[2022/01/30 - Package for emphasizing vocabulary]
+\ProvidesPackage{mkessler-vocab}[2022/08/18 - Package for emphasizing vocabulary]
 
 
 %%Provides a \vocab<[name in index]>{vocabulary} command to print vocabulary in bold blue and automatically index it.
@@ -77,25 +77,25 @@
     %Emphasize \vocabulary
     \RequirePackage{expl3}
     \ExplSyntaxOn
-    \NewDocumentCommand{\vocab}{O{} m}{
+    \NewDocumentCommand{\vocab}{O{} m}{%
         \textbf{\color{blue} #2}%
         \if\relax\detokenize{#1}\relax%
         \index[vocabindex]{\text_titlecase_first:n{#2}} % true branch: #1 was empty
-        \else
+        \else%
         \index[vocabindex]{#1} % false branch: #1 was supplied
-        \fi
+        \fi%
     }
     \ExplSyntaxOff
-    \newcommand\printvocabindex{
-        \printindex[vocabindex]
+    \newcommand\printvocabindex{%
+        \printindex[vocabindex]%
     }
     \NewDocumentCommand{\PrintVocabIndex}{ }
-    {
-        \printindex[vocabindex]
+    {%
+        \printindex[vocabindex]%
     }
 \else
-    \NewDocumentCommand{\vocab}{O{} m }{
-        \textbf{\color{blue} #2}
-    }
+    \NewDocumentCommand{\vocab}{O{} m }{%
+        \textbf{\color{blue} #2}%
+    }%
 \fi