Readme corrected

Author: mkraska

NonLinear/Sections/Plastic/README.md

@@ -53,7 +53,7 @@ The ideal-plastic material can create convergence problems. These are mitigated
 ```
 The plastic zone is marked using a two-step color scheme with the plastic proof strain of 0.2% marking the limit between the two colors. The right movie shows the longitudinal (bending) stress with color bar limits 5% above the yield limit.
 
-<img src="PE.gif" width="400" title="Plastic zone (plastic strain > 0.2% )">
+<img src="PE.gif" width="400" title="Plastic zone (plastic strain &#60; 0.2% )">
 <img src="SXX.gif" width="400" title="Bending stress">
 
 To create a force-displacement-plot, type