diff --git a/Bookshelf/Real/Sequence/Arithmetic_tex.tex b/Bookshelf/Real/Sequence/Arithmetic.tex
similarity index 94%
rename from Bookshelf/Real/Sequence/Arithmetic_tex.tex
rename to Bookshelf/Real/Sequence/Arithmetic.tex
index 318d299..e415bd3 100644
--- a/Bookshelf/Real/Sequence/Arithmetic_tex.tex
+++ b/Bookshelf/Real/Sequence/Arithmetic.tex
@@ -1,6 +1,6 @@
 \documentclass{article}
 
-\input{preamble}
+\input{../../../preamble}
 
 \newcommand{\link}[1]{\lean{../../..}
   {Bookshelf/Real/Sequence/Arithmetic}
diff --git a/Bookshelf/Real/Sequence/Geometric_tex.tex b/Bookshelf/Real/Sequence/Geometric.tex
similarity index 94%
rename from Bookshelf/Real/Sequence/Geometric_tex.tex
rename to Bookshelf/Real/Sequence/Geometric.tex
index 971177a..af35fc5 100644
--- a/Bookshelf/Real/Sequence/Geometric_tex.tex
+++ b/Bookshelf/Real/Sequence/Geometric.tex
@@ -1,6 +1,6 @@
 \documentclass{article}
 
-\input{preamble}
+\input{../../../preamble}
 
 \newcommand{\link}[1]{\lean{../../..}
   {Bookshelf/Real/Sequence/Geometric}
diff --git a/Exercises/Apostol/Chapter_I_3_tex.tex b/Exercises/Apostol/Chapter_I_3.tex
similarity index 96%
rename from Exercises/Apostol/Chapter_I_3_tex.tex
rename to Exercises/Apostol/Chapter_I_3.tex
index 865a84b..1368235 100644
--- a/Exercises/Apostol/Chapter_I_3_tex.tex
+++ b/Exercises/Apostol/Chapter_I_3.tex
@@ -1,7 +1,7 @@
 \documentclass{article}
 \usepackage[shortlabels]{enumitem}
 
-\input{preamble}
+\input{../../preamble}
 
 \newcommand{\link}[1]{\lean{../..}
   {Exercises/Apostol/Chapter\_I\_3}
@@ -72,6 +72,8 @@ Let $h$ be a given positive number and let $S$ be a set of real numbers.
 
 \begin{proof}
 
+  \  % Force space prior to *Proof.*
+
   \begin{enumerate}[(a)]
     \item \link{sup\_imp\_exists\_gt\_sup\_sub\_delta}
     \item \link{inf\_imp\_exists\_lt\_inf\_add\_delta}
@@ -94,6 +96,8 @@ $$C = \{a + b : a \in A, b \in B\}.$$
 
 \begin{proof}
 
+  \  % Force space prior to *Proof.*
+
   \begin{enumerate}[(a)]
     \item \link{sup\_minkowski\_sum\_eq\_sup\_add\_sup}
     \item \link{inf\_minkowski\_sum\_eq\_inf\_add\_inf}
diff --git a/Exercises/Apostol/Exercises_1_7_tex.tex b/Exercises/Apostol/Exercises_1_7.tex
similarity index 99%
rename from Exercises/Apostol/Exercises_1_7_tex.tex
rename to Exercises/Apostol/Exercises_1_7.tex
index 7a50d3d..51268f3 100644
--- a/Exercises/Apostol/Exercises_1_7_tex.tex
+++ b/Exercises/Apostol/Exercises_1_7.tex
@@ -1,7 +1,7 @@
 \documentclass{article}
 \usepackage{amsmath}
 
-\input{preamble}
+\input{../../preamble}
 
 \newcommand{\larea}[2]{\lean{../..}{Bookshelf/Real/Geometry/Area}{#1}{#2}}
 \newcommand{\lrect}[2]{\lean{../..}{Bookshelf/Real/Geometry/Rectangle}{#1}{#2}}
diff --git a/Exercises/Enderton/Chapter0_tex.tex b/Exercises/Enderton/Chapter0.tex
similarity index 94%
rename from Exercises/Enderton/Chapter0_tex.tex
rename to Exercises/Enderton/Chapter0.tex
index 916c711..c2817c6 100644
--- a/Exercises/Enderton/Chapter0_tex.tex
+++ b/Exercises/Enderton/Chapter0.tex
@@ -1,6 +1,6 @@
 \documentclass{article}
 
-\input{preamble}
+\input{../../preamble}
 
 \newcommand{\link}[1]{\lean{../..}
   {Exercises/Enderton/Chapter0}
diff --git a/lake-manifest.json b/lake-manifest.json
index 3c67506..2339754 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": "b083d636c2581e72da9d18023240319dd5eca43a",
+    "rev": "dee1ea599fd459db8f40201a32338c606b1944e8",
     "name": "doc-gen4",
-    "inputRev?": "b083d636c2581e72da9d18023240319dd5eca43a"}},
+    "inputRev?": "dee1ea599fd459db8f40201a32338c606b1944e8"}},
   {"git":
    {"url": "https://github.com/mhuisi/lean4-cli",
     "subDir?": null,
diff --git a/lakefile.lean b/lakefile.lean
index 35c3bbc..9a02604 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" @
-    "b083d636c2581e72da9d18023240319dd5eca43a"
+    "dee1ea599fd459db8f40201a32338c606b1944e8"
 
 @[default_target]
 lean_lib «Bookshelf» {