remove suspicious keyword in grid command

docs/src/assets/plothelper.jl

@@ -51,8 +51,8 @@ function plotmodel(modelvect; ymaxG = nothing, ymaxJ = nothing)
     isnothing(ymaxJ) ? ax1.set_ylim(bottom = -dt, top = ymaxG) : ax1.set_ylim(bottom = -dt)
     ax1.tick_params("both", labelsize = 9)
     ax1.tick_params(axis="x", which="minor", bottom=true)
-    ax1.grid(b=true, alpha = 0.2, axis="y", which="major")
-    ax1.grid(b=true, alpha = 0.2, axis="x", which="major")
+    ax1.grid(alpha = 0.2, axis="y", which="major")
+    ax1.grid(alpha = 0.2, axis="x", which="major")
 
     ax2.set_xlabel("Time", fontsize = 10)
     ax2.set_ylabel("Strain", fontsize = 10)
@@ -61,8 +61,8 @@ function plotmodel(modelvect; ymaxG = nothing, ymaxJ = nothing)
     isnothing(ymaxJ) ? ax2.set_ylim(bottom = -dt, top = ymaxJ) : ax2.set_ylim(bottom = -dt)
     ax2.tick_params("both", labelsize = 9)
     ax2.tick_params(axis="x", which="minor", bottom=true)
-    ax2.grid(b=true, alpha = 0.2, axis="y", which="major")
-    ax2.grid(b=true, alpha = 0.2, axis="x", which="major")
+    ax2.grid(alpha = 0.2, axis="y", which="major")
+    ax2.grid(alpha = 0.2, axis="x", which="major")
 
     dω = frequencyspec(ω_start = 1e-2, ω_end = 1e2, logstep = log10(1e2/1e-2)/30)
 
@@ -76,8 +76,8 @@ function plotmodel(modelvect; ymaxG = nothing, ymaxJ = nothing)
     ax3.set_xlabel("Frequency", fontsize = 10)
     ax3.set_ylabel("Storage (—) and Loss (- -) moduli", fontsize = 10)
     ax3.tick_params("both", labelsize = 9)
-    ax3.grid(b=true, alpha = 0.2, axis="y", which="major")
-    ax3.grid(b=true, alpha = 0.2, axis="x", which="major")
+    ax3.grid(alpha = 0.2, axis="y", which="major")
+    ax3.grid(alpha = 0.2, axis="x", which="major")
     ax3.set_title("Frequency response", fontsize = 10)
 
     return fig