diff --git a/Bookshelf/Apostol/Chapter_1_07.tex b/Bookshelf/Apostol/Chapter_1_07.tex
index 7c81b52..d265578 100644
--- a/Bookshelf/Apostol/Chapter_1_07.tex
+++ b/Bookshelf/Apostol/Chapter_1_07.tex
@@ -31,7 +31,7 @@ A set consisting of a single point.
 
   Let $S$ be a set consisting of a single point.
   By definition of a Point, $S$ is a rectangle in which all vertices coincide.
-  By \nameref{A:sec:choice-scale} $S$ is measurable with area its width times
+  By \nameref{A:sec:choice-scale}, $S$ is measurable with area its width times
     its height.
   The width and height of $S$ is trivially zero.
   Therefore $a(S) = (0)(0) = 0$.
diff --git a/lake-manifest.json b/lake-manifest.json
index a9a3aa1..94d4ece 100644
--- a/lake-manifest.json
+++ b/lake-manifest.json
@@ -16,9 +16,9 @@
   {"git":
    {"url": "https://github.com/jrpotter/bookshelf-docgen.git",
     "subDir?": null,
-    "rev": "3f941dc8a814321498082da49f4a8430bbfbbb6c",
+    "rev": "87ecc512444afd073a2b201ef25caf3ef5fc74b1",
     "name": "doc-gen4",
-    "inputRev?": "3f941dc8a814321498082da49f4a8430bbfbbb6c"}},
+    "inputRev?": "87ecc512444afd073a2b201ef25caf3ef5fc74b1"}},
   {"git":
    {"url": "https://github.com/mhuisi/lean4-cli",
     "subDir?": null,
diff --git a/lakefile.lean b/lakefile.lean
index 9524f10..1ed3b44 100644
--- a/lakefile.lean
+++ b/lakefile.lean
@@ -12,7 +12,7 @@ require std4 from git
     "6006307d2ceb8743fea7e00ba0036af8654d0347"
 require «doc-gen4» from git
   "https://github.com/jrpotter/bookshelf-docgen.git" @
-    "3f941dc8a814321498082da49f4a8430bbfbbb6c"
+    "87ecc512444afd073a2b201ef25caf3ef5fc74b1"
 
 @[default_target]
 lean_lib «Bookshelf» {
diff --git a/preamble.tex b/preamble.tex
index 93f11c7..502fc5b 100644
--- a/preamble.tex
+++ b/preamble.tex
@@ -49,11 +49,11 @@
 % and a corresponding Lean proof has been written. If a Lean proof is in
 % progress, it's in a "proceeding" state. Otherwise it is unverified.
 \DeclareRobustCommand{\verified}[1]{%
-  \texorpdfstring{\color{teal}#1\ \faCheckCircle}{#1}}
+  \texorpdfstring{\color{teal}\faCheckCircle\ #1}{#1}}
 \DeclareRobustCommand{\proceeding}[1]{%
-  \texorpdfstring{\color{magenta}#1\ \faDotCircle[regular]}{#1}}
+  \texorpdfstring{\color{magenta}\faDotCircle[regular]\ #1}{#1}}
 \DeclareRobustCommand{\unverified}[1]{%
-  \texorpdfstring{\color{red}#1\ \faExclamationCircle}{#1}}
+  \texorpdfstring{\color{red}\faExclamationCircle\ #1}{#1}}
 
 % ========================================
 % Math