diff --git a/doc/images/jkqtmathtext/MTFMoverset.png b/doc/images/jkqtmathtext/MTFMoverset.png
index 587a51445e..09cfb07d0a 100644
Binary files a/doc/images/jkqtmathtext/MTFMoverset.png and b/doc/images/jkqtmathtext/MTFMoverset.png differ
diff --git a/doc/images/jkqtmathtext/jkqtmathtext_cbrt.png b/doc/images/jkqtmathtext/jkqtmathtext_cbrt.png
index cf54186a34..9c1b5e9e84 100644
Binary files a/doc/images/jkqtmathtext/jkqtmathtext_cbrt.png and b/doc/images/jkqtmathtext/jkqtmathtext_cbrt.png differ
diff --git a/doc/images/jkqtmathtext/jkqtmathtext_sqrt.png b/doc/images/jkqtmathtext/jkqtmathtext_sqrt.png
index 0f1b8f88ba..3b1ab5d0a5 100644
Binary files a/doc/images/jkqtmathtext/jkqtmathtext_sqrt.png and b/doc/images/jkqtmathtext/jkqtmathtext_sqrt.png differ
diff --git a/doc/images/jkqtmathtext/jkqtmathtext_textaccents.png b/doc/images/jkqtmathtext/jkqtmathtext_textaccents.png
index 1ac3f68310..7bcb2b6830 100644
Binary files a/doc/images/jkqtmathtext/jkqtmathtext_textaccents.png and b/doc/images/jkqtmathtext/jkqtmathtext_textaccents.png differ
diff --git a/doc/jkqtmathtext_docimages_accents.jkmt b/doc/jkqtmathtext_docimages_accents.jkmt
index 7f5aa91246..9ba4405cd0 100644
--- a/doc/jkqtmathtext_docimages_accents.jkmt
+++ b/doc/jkqtmathtext_docimages_accents.jkmt
@@ -68,7 +68,7 @@ jkqtmathtext_textaccents.png
 {\backslash}v\{C\}: & \v{C}\v{c} &{\backslash}.e: & \.e \\
 {\backslash}AA{\backslash}aa & \AA\aa & {\backslash}OE{\backslash}oe & {\OE}{\oe} \\
 {\backslash}L{\backslash}l & \L\l & {\backslash}AE{\backslash}ae & {\AE}{\ae} \\
-{\backslash}ss & \ss & & 
+{\backslash}ss & \ss & {\backslash}O{\backslash}o & \O\o 
 \end{array}
 ---
 jkqtmathtext_mathaccents.png
diff --git a/doc/jkqtmathtext_docimages_frac.jkmt b/doc/jkqtmathtext_docimages_frac.jkmt
index e1c693d33c..e1777b6c5a 100644
--- a/doc/jkqtmathtext_docimages_frac.jkmt
+++ b/doc/jkqtmathtext_docimages_frac.jkmt
@@ -33,7 +33,7 @@ MTFMunderbrace.png
 $f(x)=\underbrace{x+x+\ldots+x}{k\ \text{times}}$
 ---
 MTFMoverset.png
-$X\overset{=}{\text{def}}Y\ \ \ \ X\overset{=}{!}Y\ \ \ \ \ \frac{\Delta f}{\Delta x}\overset{\Delta x\rightarrow0}{\rightarrow}f^\prime$
+$X\overset{=}{\text{def}}Y\ \ \ \ X\overset{=}{!}Y\ \ \ \ \ \frac{\Delta f}{\Delta x}\overset{\rightarrow}{\Delta x\rightarrow0}f^\prime$
 ---
 MTFMunderset.png
 $X\underset{=}{\text{def (5)}}Y\ \ \ \ X\underset{\Rightarrow}{f}Y\ \ \ \ \ \frac{\Delta f}{\Delta x}\underset{\rightarrow}{\Delta x\rightarrow0}f^\prime$
diff --git a/doc/jkqtmathtext_docimages_math.jkmt b/doc/jkqtmathtext_docimages_math.jkmt
index 2b1092324c..0967ffde39 100644
--- a/doc/jkqtmathtext_docimages_math.jkmt
+++ b/doc/jkqtmathtext_docimages_math.jkmt
@@ -1,9 +1,9 @@
 ---
 jkqtmathtext_cbrt.png
-$\cbrt{1+\cbrt{1+\cbrt{1+\cbrt{1+\cbrt{1+x}}$
+$\cbrt{1+\cbrt{1+\cbrt{1+\cbrt{1+\cbrt{1+x}}}}}\ \ \ \ \ \sqrt[3.1415]{x^2+\pi y^2}$
 ---
 jkqtmathtext_sqrt.png
-$\sqrt{1+\sqrt{1+\sqrt{1+\sqrt{1+\sqrt{1+x}}\ \ \ \ \ \sqrt[3.1415]{x^2+\pi y^2}$
+$\sqrt{1+\sqrt{1+\sqrt{1+\sqrt{1+\sqrt{1+x}}}}}$
 ---
 jkqtmathtext_supersub.png
 $r^{123}r^\frac{1}{2}\ \ \ \ \ r_{123}r_\frac{1}{2}\ \ \ \ \ a_\text{text}^2a_\text{text}^\frac{1}{2}a^\text{text}_\frac{1}{2}$